C L Roberts

Summary

Affiliation: University of Sydney
Country: Australia

Publications

  1. ncbi Using hospital discharge data to identify incident pregnancy-associated cancers: a validation study
    Yuen Yi Cathy Lee
    Clinical and Population Perinatal Health Research, Kolling Institute of Medical Research, University of Sydney, New South Wales, Australia
    BMC Pregnancy Childbirth 13:37. 2013
  2. ncbi Investigating linkage rates among probabilistically linked birth and hospitalization records
    Jason P Bentley
    Clinical and Population Perinatal Health Research, Kolling Institute of Medical Research, Sydney Medical School, University of Sydney at Royal North Shore Hospital, Australia
    BMC Med Res Methodol 12:149. 2012
  3. ncbi Trends and recurrence of placenta praevia: a population-based study
    Christine L Roberts
    The Kolling Institute of Medical Research, University of Sydney, Sydney, Australia
    Aust N Z J Obstet Gynaecol 52:483-6. 2012
  4. ncbi Amniotic fluid embolism incidence, risk factors and outcomes: a review and recommendations
    Marian Knight
    National Perinatal Epidemiology Unit, University of Oxford, Oxford, UK
    BMC Pregnancy Childbirth 12:7. 2012
  5. ncbi Patterns and outcomes of preterm hospital admissions during pregnancy in NSW, 2001-2008
    Tim Badgery-Parker
    Centre for Epidemiology and Research, NSW Ministry of Health, Sydney, NSW
    Med J Aust 196:261-5. 2012
  6. ncbi Levels of soluble fms-like tyrosine kinase one in first trimester and outcomes of pregnancy: a systematic review
    Marni Jacobs
    Perinatal Research, Kolling Institute of Medical Research, University of Sydney, Royal North Shore Hospital, St Leonards, 2065 NSW, Australia
    Reprod Biol Endocrinol 9:77. 2011
  7. ncbi Determinants of neonatal mortality in Indonesia
    Christiana R Titaley
    School of Public Health, Edward Ford Building A27, University of Sydney, NSW 2006, Australia
    BMC Public Health 8:232. 2008
  8. ncbi Trends in postpartum hemorrhage in high resource countries: a review and recommendations from the International Postpartum Hemorrhage Collaborative Group
    Marian Knight
    National Perinatal Epidemiology Unit, University of Oxford, Oxford, UK
    BMC Pregnancy Childbirth 9:55. 2009
  9. ncbi Record linkage to obtain birth outcomes for the evaluation of screening biomarkers in pregnancy: a feasibility study
    Samantha J Lain
    Perinatal Research, Kolling Institute of Medical Research, University of Sydney, Syndey, NSW, Australia
    BMC Med Res Methodol 9:48. 2009
  10. ncbi Regional block versus general anaesthesia for caesarean section and neonatal outcomes: a population-based study
    Charles S Algert
    Kolling Institute of Medical Research, Clinical and Perinatal Population Health Research, University of Sydney, Australia
    BMC Med 7:20. 2009

Detail Information

Publications92

  1. ncbi Using hospital discharge data to identify incident pregnancy-associated cancers: a validation study
    Yuen Yi Cathy Lee
    Clinical and Population Perinatal Health Research, Kolling Institute of Medical Research, University of Sydney, New South Wales, Australia
    BMC Pregnancy Childbirth 13:37. 2013
    ..This study aimed to assess the validity of hospital data for identifying incident pregnancy-associated cancers compared with incident cancers from an Australian population-based statutory cancer registry...
  2. ncbi Investigating linkage rates among probabilistically linked birth and hospitalization records
    Jason P Bentley
    Clinical and Population Perinatal Health Research, Kolling Institute of Medical Research, Sydney Medical School, University of Sydney at Royal North Shore Hospital, Australia
    BMC Med Res Methodol 12:149. 2012
    ....
  3. ncbi Trends and recurrence of placenta praevia: a population-based study
    Christine L Roberts
    The Kolling Institute of Medical Research, University of Sydney, Sydney, Australia
    Aust N Z J Obstet Gynaecol 52:483-6. 2012
    ..8%. Two-thirds of the increase in placenta praevia was accounted for by trends in known risk factors, and the unexplained portion may reflect changes in unidentified risk factors or in the threshold for placenta praevia diagnosis...
  4. ncbi Amniotic fluid embolism incidence, risk factors and outcomes: a review and recommendations
    Marian Knight
    National Perinatal Epidemiology Unit, University of Oxford, Oxford, UK
    BMC Pregnancy Childbirth 12:7. 2012
    ....
  5. ncbi Patterns and outcomes of preterm hospital admissions during pregnancy in NSW, 2001-2008
    Tim Badgery-Parker
    Centre for Epidemiology and Research, NSW Ministry of Health, Sydney, NSW
    Med J Aust 196:261-5. 2012
    ..To assess the frequency and outcomes of preterm hospital admissions during pregnancy, with a focus on transfers to higher levels of care...
  6. ncbi Levels of soluble fms-like tyrosine kinase one in first trimester and outcomes of pregnancy: a systematic review
    Marni Jacobs
    Perinatal Research, Kolling Institute of Medical Research, University of Sydney, Royal North Shore Hospital, St Leonards, 2065 NSW, Australia
    Reprod Biol Endocrinol 9:77. 2011
    ..However, findings were affected by methodological, biological and testing variations between studies; highlighting the need for consistent testing of new biomarkers and reporting of outcome measures...
  7. ncbi Determinants of neonatal mortality in Indonesia
    Christiana R Titaley
    School of Public Health, Edward Ford Building A27, University of Sydney, NSW 2006, Australia
    BMC Public Health 8:232. 2008
    ..This study aimed to identify the determinants of neonatal mortality in Indonesia, for a nationally representative sample of births from 1997 to 2002...
  8. ncbi Trends in postpartum hemorrhage in high resource countries: a review and recommendations from the International Postpartum Hemorrhage Collaborative Group
    Marian Knight
    National Perinatal Epidemiology Unit, University of Oxford, Oxford, UK
    BMC Pregnancy Childbirth 9:55. 2009
    ..Several recent publications have noted an increasing trend in incidence over time. The international PPH collaboration was convened to explore the observed trends and to set out actions to address the factors identified...
  9. ncbi Record linkage to obtain birth outcomes for the evaluation of screening biomarkers in pregnancy: a feasibility study
    Samantha J Lain
    Perinatal Research, Kolling Institute of Medical Research, University of Sydney, Syndey, NSW, Australia
    BMC Med Res Methodol 9:48. 2009
    ..As a specific example, we evaluate maternal serum levels of PAPP-A and free beta-hCG as predictors of adverse pregnancy outcomes, and compare our results with those of prospective studies...
  10. ncbi Regional block versus general anaesthesia for caesarean section and neonatal outcomes: a population-based study
    Charles S Algert
    Kolling Institute of Medical Research, Clinical and Perinatal Population Health Research, University of Sydney, Australia
    BMC Med 7:20. 2009
    ..However, general anaesthesia is considered to be safe for the foetus, based on limited evidence, and is still used for caesarean sections...
  11. ncbi Using hospital discharge data for determining neonatal morbidity and mortality: a validation study
    Jane B Ford
    Perinatal Research Group, Kolling Institute of Medical Research, University of Sydney, New South Wales 2065, Australia
    BMC Health Serv Res 7:188. 2007
    ....
  12. ncbi Protocol for a randomised controlled trial of treatment of asymptomatic candidiasis for the prevention of preterm birth [ACTRN12610000607077]
    Christine L Roberts
    Clinical and Population Perinatal Health Research, Kolling Institute of Medical Research, Department of Obstetrics and Gynaecology, University of Sydney, and Royal North Shore Hospital, NSW Australia
    BMC Pregnancy Childbirth 11:19. 2011
    ....
  13. ncbi Population rates of haemorrhage and transfusions among obstetric patients in NSW: a short communication
    Christine L Roberts
    Clinical and Population Perinatal Research, Kolling Institute of Medical Research, University of Sydney, New South Wales, Australia
    Aust N Z J Obstet Gynaecol 49:296-8. 2009
    ..1%) and caesarean sections (6.3%) disappeared, suggesting PPH is under-ascertained for women delivered by caesarean section...
  14. ncbi Measuring maternal morbidity in routinely collected health data: development and validation of a maternal morbidity outcome indicator
    Christine L Roberts
    Clinical and Population Perinatal Health Research, The Kolling Institute of Medical Research, University of Sydney, NSW, Australia
    Med Care 46:786-94. 2008
    ..As maternal deaths become rare in many countries, severe maternal morbidity has been suggested as a better indicator of quality of care...
  15. ncbi Trends in use of neonatal CPAP: a population-based study
    Christine L Roberts
    Clinical and Population Perinatal Health Research, Kolling Institute of Medical Research, University of Sydney, Department of Obstetrics and Gynaecology, Level 2, Building 52, Royal North Shore Hospital, St Leonards, NSW, 2065, Australia
    BMC Pediatr 11:89. 2011
    ..The aim of this study was to examine recent population trends in the use of neonatal continuous positive airway pressure...
  16. ncbi Methods for dealing with discrepant records in linked population health datasets: a cross-sectional study
    Christine L Roberts
    The Kolling Institute of Medical Research, St Leonards 2065, Australia
    BMC Health Serv Res 7:12. 2007
    ..However, this raises the possibility of discrepant case reports from different datasets...
  17. ncbi Monitoring the quality of maternity care: how well are labour and delivery events reported in population health data?
    Christine L Roberts
    Clinical and Population Perinatal Health Research, The Kolling Institute of Medical Research, University of Sydney, Sydney, New South Wales, Australia
    Paediatr Perinat Epidemiol 23:144-52. 2009
    ..Consistency in reporting in birth and hospital discharge data from different countries and over time suggests the findings are likely to be generalisable to high-income countries...
  18. ncbi Amniotic fluid embolism in an Australian population-based cohort
    C L Roberts
    Kolling Institute of Medical Research, University of Sydney, NSW, Australia
    BJOG 117:1417-21. 2010
    ..Although two-thirds of women and infants survived, AFE also caused severe morbidity...
  19. ncbi Treatment of asymptomatic vaginal candidiasis in pregnancy to prevent preterm birth: an open-label pilot randomized controlled trial
    Christine L Roberts
    Kolling Institute of Medical Research, University of Sydney, NSW Australia
    BMC Pregnancy Childbirth 11:18. 2011
    ..We conducted a pilot study to assess the feasibility of conducting a large randomized controlled trial to determine whether treatment of asymptomatic candidiasis in early pregnancy reduces the incidence of preterm birth...
  20. ncbi The accuracy of reporting of the hypertensive disorders of pregnancy in population health data
    Christine L Roberts
    Clinical and Population Perinatal Health Research, The Kolling Institute of Medical Research, University of Sydney, Sydney, Australia
    Hypertens Pregnancy 27:285-97. 2008
    ..To assess the accuracy of hypertensive disorders of pregnancy reporting in birth and hospital discharge data compared with data abstracted from medical records...
  21. ncbi Trends in adverse maternal outcomes during childbirth: a population-based study of severe maternal morbidity
    Christine L Roberts
    Clinical and Population Perinatal Health Research, The Kolling Institute of Medical Research, University of Sydney 2006, NSW, Australia
    BMC Pregnancy Childbirth 9:7. 2009
    ....
  22. ncbi Placenta praevia: maternal morbidity and place of birth
    Emily C Olive
    Centre for Perinatal Health Services Research, University of Sydney, Sydney, Australia
    Aust N Z J Obstet Gynaecol 45:499-504. 2005
    ..Australian guidelines on the appropriate level of care for women with placenta praevia are needed...
  23. ncbi Trends in labour and birth interventions among low-risk women in New South Wales
    Christine L Roberts
    Centre for Perinatal Health Services Research, University of Sydney, New South Wales, Australia
    Aust N Z J Obstet Gynaecol 42:176-81. 2002
    ....
  24. ncbi Higher order multiple pregnancies in New South Wales 1990-1999
    Christine L Roberts
    New South Wales Centre for Perinatal Health Services Research, Department of Obstetrics and Gynecology, University of Sydney, Australia
    Aust N Z J Obstet Gynaecol 42:51-4. 2002
    ....
  25. ncbi Recurrence of breech presentation in consecutive pregnancies
    J B Ford
    Kolling Institute of Medical Research, University of Sydney, Australia
    BJOG 117:830-6. 2010
    ..To investigate the recurrence risk of breech presentation at term, and to assess the risk factors that contribute to its recurrence...
  26. ncbi Motor vehicle accidents during pregnancy: a population-based study
    J Vivian-Taylor
    Clinical and Population Perinatal Health Research, Kolling Institute of Medical Research, University of Sydney, NSW, Australia
    BJOG 119:499-503. 2012
    ..In contrast, women who remained undelivered following an MVA (96%) had similar pregnancy outcomes to women not involved in MVAs, and can be reassured...
  27. ncbi Small fetal size: a risk factor for breech birth at term
    C L Roberts
    NSW Centre for Perinatal Health Services Research, Department of Obstetrics and Gynecology, University of Sydney, Australia
    Int J Gynaecol Obstet 67:1-8. 1999
    ..To examine fetal size as a risk factor for breech birth at term...
  28. ncbi Incidence and outcomes of pregnancy-associated cancer in Australia, 1994-2008: a population-based linkage study
    Y Y Lee
    Clinical and Population Perinatal Health Research, Kolling Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
    BJOG 119:1572-82. 2012
    ..To determine trends in pregnancy-associated cancer and associations between maternal cancer and pregnancy outcomes...
  29. ncbi Trends in twin births in New South Wales, Australia, 1990-1999
    C L Roberts
    Centre for Perinatal Health Services Research and Senior Lecturer, School of Public Health, University of Sydney, Sydney, Australia
    Int J Gynaecol Obstet 78:213-9. 2002
    ..To examine trends in gestational age and the mode of delivery of twins...
  30. ncbi Perinatal risk factors for early onset of Type 1 diabetes in a 2000-2005 birth cohort
    C S Algert
    Kolling Institute of Medical Research, University of Sydney, Sydney
    Diabet Med 26:1193-7. 2009
    ..To examine perinatal risk factors for the onset of Type 1 diabetes before 6 years of age, in a 2000-2005 Australian birth cohort...
  31. ncbi Australian national birthweight percentiles by gestational age
    C L Roberts
    NSW Centre for Perinatal Health Services Research, Department of Obstetrics and Gynaecology, University of Sydney
    Med J Aust 170:114-8. 1999
    ..To develop national birthweight percentiles by gestational age for male and female singleton infants born in Australia, and to compare the birthweight percentiles of Indigenous and non-Indigenous infants...
  32. ncbi Increased postpartum hemorrhage rates in Australia
    J B Ford
    Department of Obstetrics and Gynaecology, Northern Clinical School, University of Sydney, New South Wales, Australia
    Int J Gynaecol Obstet 98:237-43. 2007
    ..To determine whether changes in risk factors for postpartum hemorrhage (PPH) over time are associated with a rise in postpartum hemorrhage rates...
  33. ncbi Trends in place of birth for preterm infants in New South Wales, 1992-2001
    C L Roberts
    Centre for Perinatal Health Services Research, School of Public Health, University of Sydney, Sydney, Australia
    J Paediatr Child Health 40:139-43. 2004
    ..To examine trends in preterm births, especially those less than 33 weeks gestation, occurring in perinatal centres in New South Wales (NSW) from 1992 to 2001...
  34. ncbi Trends in induction of labour, 1998-2007: a population-based study
    N M Mealing
    The Kolling Institute of Medical Research, University of Sydney, Sydney, New South Wales, Australia
    Aust N Z J Obstet Gynaecol 49:599-605. 2009
    ..Increasing rates of induction have been reported in the UK, the USA, Canada and Australia since the early 1990s; however, there is a lack of population-based studies on trends and pharmacological management of induction of labour...
  35. ncbi Compliance with a protocol for intrapartum antibiotic prophylaxis against neonatal group B streptococcal sepsis in women with clinical risk factors
    Toni R Sanders
    Department of Public Health, University of Sydney, Australia
    Infect Dis Obstet Gynecol 10:223-9. 2002
    ..The aim of this study was to determine the prevalence of clinical risk factors (CRF) for neonatal sepsis in laboring women and to evaluate clinician compliance with a CRF-based protocol for intrapartum antibiotic prophylaxis (IAP)...
  36. ncbi Trends in obstetric practices and meconium aspiration syndrome: a population-based study
    J Vivian-Taylor
    Clinical and Population Perinatal Health Research, Kolling Institute, University of Sydney, Sydney, NSW, Australia
    BJOG 118:1601-7. 2011
    ..To determine trends in the incidence of meconium aspiration syndrome (MAS), and maternal factors and obstetric practices associated with any decline...
  37. ncbi Assisting informed decision making for labour analgesia: a randomised controlled trial of a decision aid for labour analgesia versus a pamphlet
    Camille H Raynes-Greenow
    Kolling Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
    BMC Pregnancy Childbirth 10:15. 2010
    ..Decision aids are tools that present evidence based information and allow preference elicitation...
  38. ncbi Occurrence and recurrence of diabetes in pregnancy
    A Z Khambalia
    Clinical and Population Perinatal Research, Kolling Institute of Medical Research, Randwick, NSW, Australia
    Diabet Med 30:452-6. 2013
    ..Risk factors for recurrence of gestational diabetes and rates of second/third pregnancy pre-existing diabetes mellitus were also assessed...
  39. ncbi The accuracy of reporting of general anaesthesia for childbirth: a validation study
    C L Roberts
    University Department of Obstetrics and Gynaecology, Royal North Shore Hospital, University of Sydney, Sydney, New South Wales, Australia
    Anaesth Intensive Care 36:418-24. 2008
    ..Population health data are a reliable source for examining general anaesthesia for delivery...
  40. ncbi National birthweight percentiles by gestational age for twins born in Australia
    C L Roberts
    NSW Centre for Perinatal Health Services Research, Department of Obstetrics and Gynaecology, University of Sydney, Australia
    J Paediatr Child Health 35:278-82. 1999
    ..To develop national charts of birthweight percentiles by gestational age and infant sex for liveborn twins born in Australia...
  41. ncbi Incidence and risk factors for pulmonary embolism in the postpartum period
    J M Morris
    Kolling Institute for Medical Research, University of Sydney, Sydney, NSW, Australia
    J Thromb Haemost 8:998-1003. 2010
    ..Better quantification of risk factors can help target women who are most likely to benefit from postpartum thromboprophylaxis with heparin...
  42. ncbi Differences and trends in obstetric interventions at term among urban and rural women in New South Wales: 1990-1997
    C L Roberts
    New South Wales Centre for Perinatal Health Services Research, Department of Obstetrics and Gynaecology, and School of Population Health and Health Services Research, University of Sydney, Australia
    Aust N Z J Obstet Gynaecol 41:15-22. 2001
    ..The differing pregnancy risk profile of rural women did not explain the differences in intervention rates but differences were partly explained by higher rates of epidural anaesthesia in urban areas...
  43. ncbi Rates for obstetric intervention among private and public patients in Australia: population based descriptive study
    C L Roberts
    NSW Centre for Perinatal Health Services Research, School of Population Health and Health Services Research, University of Sydney 2006, Australia
    BMJ 321:137-41. 2000
    ..To compare the risk profile of women receiving public and private obstetric care and to compare the rates of obstetric intervention among women at low risk in these groups...
  44. ncbi The urban and rural divide for women giving birth in NSW, 1990-1997
    C L Roberts
    New South Wales Centre for Perinatal Health Service Research, University of Sydney
    Aust N Z J Public Health 24:291-7. 2000
    ..To examine trends in the pregnancy profile and outcomes of urban and rural women...
  45. ncbi A simple patient-initiated intervention to increase antenatal detection of breech presentation at term
    Christine L Roberts
    Centre for Perinatal Health Services Research, University of Sydney, Australia
    Paediatr Perinat Epidemiol 18:371-6. 2004
    ..Further, there was no increase in the uptake of ECV nor a reduction in caesarean sections for breech presentation. The difficulties associated with before-after studies are highlighted...
  46. ncbi Twin deliveries and place of birth in NSW 2001-2005
    Charles S Algert
    Kolling Institute, University of Sydney, Northern Clinical School, Level 4, Wallace Freeborn Building E25, Sydney, NSW 2006, Australia
    Aust N Z J Obstet Gynaecol 49:461-6. 2009
    ..Twin pregnancies have an elevated risk of adverse outcomes, particularly preterm twins...
  47. ncbi Cross-sectional reporting of previous Cesarean birth was validated using longitudinal linked data
    Jian Sheng Chen
    Clinical and Population Perinatal Health Research, The Kolling Institute of Medical Research, University of Sydney, New South Wales, Australia
    J Clin Epidemiol 63:672-8. 2010
    ..The aim of this study was to demonstrate the feasibility of using linked health records to assess data quality in population health data...
  48. ncbi Pregnant women's preferences and knowledge of term breech management, in an Australian setting
    Camille H Raynes-Greenow
    Centre for Perinatal Health Services Research, Screening and Test Evaluation Program, School of Public Health, University of Sydney, Australia
    Midwifery 20:181-7. 2004
    ..To assess women's familiarity with breech presentation and external cephalic version (ECV), and to identify women's preferences and attitudes regarding breech management...
  49. ncbi Do audio-guided decision aids improve outcomes? A randomized controlled trial of an audio-guided decision aid compared with a booklet decision aid for Australian women considering labour analgesia
    Camille H Raynes-Greenow
    Perinatal Research Group, Kolling Institute of Medical Research, University of Sydney, NSW, Australia
    Health Expect 12:407-16. 2009
    ..To assess the effectiveness of an audio-guided component: an audio-guided decision aid vs. a stand-alone booklet decision aid...
  50. ncbi Management of labour among women with epidural analgesia
    Christine L Roberts
    Centre for Perinatal Health Services Research, School of Public Health, University of Sydney, New South Wales, Australia
    Aust N Z J Obstet Gynaecol 43:78-81. 2003
    ..There is wide variation in epidural availability and in labour management, perhaps reflecting the limited evidence for effective interventions to reduce any unintended effects of epidural analgesia...
  51. ncbi Combined iron/folic acid supplements and malaria prophylaxis reduce neonatal mortality in 19 sub-Saharan African countries
    Christiana R Titaley
    Sydney School of Public Health, University of Sydney, Sydney, Australia
    Am J Clin Nutr 92:235-43. 2010
    ..Other studies from malaria-endemic areas have reported an adverse effect of iron supplements on malaria prevalence in pregnant women...
  52. ncbi Iron and folic acid supplements and reduced early neonatal deaths in Indonesia
    Christiana R Titaley
    Sydney School of Public Health, Edward Ford Building A27, University of Sydney, NSW 2006, Australia
    Bull World Health Organ 88:500-8. 2010
    ..To examine the relationship between antenatal care, iron and folic acid supplementation and tetanus toxoid vaccination during pregnancy in Indonesia and the risk of early neonatal death (death in days 0-6 of life)...
  53. ncbi Delivery of singleton preterm infants in New South Wales, 1990-1997
    Christine L Roberts
    Centre for Perinatal Health Services Research, School of Public Health, University of Sydney, NSW, Australia
    Aust N Z J Obstet Gynaecol 43:32-7. 2003
    ..To examine trends in the maternal characteristics and delivery of singleton preterm infants in an Australian population...
  54. ncbi Operative delivery during labour: trends and predictive factors
    Christine L Roberts
    Centre for Perinatal Health Services Research, University of Sydney, Australia
    Paediatr Perinat Epidemiol 16:115-23. 2002
    ..Furthermore, the vacuum:forceps ratio provides a useful tool for comparative analyses...
  55. ncbi The impact of the baby bonus on maternity services in New South Wales
    Samantha J Lain
    Kolling Institute of Medical Research, University of Sydney, Royal North Shore Hospital, St Leonards, NSW, Australia
    Aust N Z J Obstet Gynaecol 50:25-9. 2010
    ..In 2004, the Federal Government introduced the baby bonus, a one-off payment upon the birth of a child...
  56. ncbi Is there an association between endometriosis and the risk of pre-eclampsia? A population based study
    Ruth M Hadfield
    Perinatal Research, Kolling Institute, University of Sydney, B52, Level 2, Royal North Shore Hospital, St Leonard s, NSW 2065, Sydney, Australia
    Hum Reprod 24:2348-52. 2009
    ..Our aim was to determine whether women with a history of endometriosis were at modified risk for pregnancy hypertension or pre-eclampsia...
  57. ncbi Are babies getting bigger? An analysis of birthweight trends in New South Wales, 1990-2005
    Ruth M Hadfield
    Perinatal Research and Population Health, Kolling Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
    Med J Aust 190:312-5. 2009
    ..To determine whether the proportion of babies born large for gestational age (LGA) in New South Wales has increased, and to identify possible reasons for any increase...
  58. ncbi The prevalence of maternal medical conditions during pregnancy and a validation of their reporting in hospital discharge data
    Ruth M Hadfield
    Perinatal Research, The Kolling Institute of Medical Research, University of Sydney, Sydney, New South Wales, Australia
    Aust N Z J Obstet Gynaecol 48:78-82. 2008
    ..We estimated the population prevalence of maternal medical conditions during pregnancy and found a tendency towards underreporting although specificities were high, indicating that false positives were uncommon...
  59. ncbi Postpartum haemorrhage occurrence and recurrence: a population-based study
    Jane B Ford
    Kolling Institute of Medical Research, Northern Clinical School, University of Sydney, Sydney, NSW, Australia
    Med J Aust 187:391-3. 2007
    ..To determine the risk of occurrence and recurrence of postpartum haemorrhage (excessive bleeding after childbirth) among women having at least two consecutive pregnancies...
  60. ncbi Getting an evidence-based post-partum haemorrhage policy into practice
    Carolyn A Cameron
    Centre for Perinatal Health Services Research, School of Public Health, University of Sydney, New South Wales, Australia
    Aust N Z J Obstet Gynaecol 47:169-75. 2007
    ..Feedback from maternity units indicated that there were deficiencies in the skills and experience is needed to develop the written protocols and local plans of action required by the Framework...
  61. ncbi Residential mobility in a cohort of primiparous women during pregnancy and post-partum
    Camille H Raynes-Greenow
    Perinatal Research, Kolling Institute of Medical Research, University of Sydney, New South Wales, Australia
    Aust N Z J Public Health 32:131-4. 2008
    ..To quantify the residential mobility rate in a population of pregnant women expecting their first baby...
  62. ncbi Trends in postpartum haemorrhage
    Carolyn A Cameron
    Centre for Perinatal Health Services Research, University of Sydney, New South Wales
    Aust N Z J Public Health 30:151-6. 2006
    ..To assess trends and outcomes of postpartum haemorrhage (PPH) in New South Wales (NSW)...
  63. ncbi Birth at hospitals with co-located paediatric units for infants with correctable birth defects
    Charles S Algert
    Perinatal Research, Kolling Institute of Medical Research, University of Sydney, Sydney, New South Wales, Australia
    Aust N Z J Obstet Gynaecol 48:273-9. 2008
    ..Additionally, to determine the survival rates for these infants...
  64. ncbi Development and pilot-testing of a decision aid for women with a breech-presenting baby
    Natasha Nassar
    Centre for Perinatal Health Services Research, QEII Building DO2, University of Sydney, NSW 2006, Australia
    Midwifery 23:38-47. 2007
    ..To develop a decision aid for pregnant women with a breech presentation at term, and to assess its acceptability...
  65. ncbi Knowledge and decision-making for labour analgesia of Australian primiparous women
    Camille H Raynes-Greenow
    Centre for Perinatal Health Services Research, QEII Building D02 University of Sydney, NSW 2006, Australia
    Midwifery 23:139-45. 2007
    ..to assess and investigate knowledge of labour pain management options and decision-making among primiparous women...
  66. ncbi Characteristics of unmatched maternal and baby records in linked birth records and hospital discharge data
    Jane B Ford
    Centre for Perinatal Health Services Research, University of Sydney, Sydney, NSW, Australia
    Paediatr Perinat Epidemiol 20:329-37. 2006
    ..Our results suggest studies using linked data should generally examine and report on the characteristics of unmatched records, and recognise them as a potential source of bias...
  67. ncbi A meta-analysis of upright positions in the second stage to reduce instrumental deliveries in women with epidural analgesia
    Christine L Roberts
    Centre for Perinatal Health Services Research, School of Public Health, Building D02, University of Sydney, NSW 2006, Australia
    Acta Obstet Gynecol Scand 84:794-8. 2005
    ..The study population included women with uncomplicated pregnancies at term with epidural analgesia established in the first stage of labor...
  68. ncbi The accuracy of population health data for monitoring trends and outcomes among women with diabetes in pregnancy
    Jane C Bell
    Clinical and Population Perinatal Health Research, The Kolling Institute of Medical Research, University of Sydney 2006, Australia
    Diabetes Res Clin Pract 81:105-9. 2008
    ..To assess the accuracy of routinely collected population birth and hospital datasets in identifying maternal pregestational diabetes mellitus (PDM) and gestational diabetes mellitus (GDM)...
  69. ncbi The impact of the Baby Bonus payment in New South Wales: who is having "one for the country"?
    Samantha J Lain
    Perinatal Research, Kolling Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
    Med J Aust 190:238-41. 2009
    ..To assess the change in birth rates, both overall and in age, parity, socioeconomic and geographical subgroups of the population, after the introduction of the Baby Bonus payment in Australia on 1 July 2004...
  70. ncbi Impact of first-stage ambulation on mode of delivery among women with epidural analgesia
    Christine L Roberts
    Centre for Perinatal Health Services Research, School of Public Health, University of Sydney, Sydney, New South Wales, Australia
    Aust N Z J Obstet Gynaecol 44:489-94. 2004
    ..Aim: To determine the effect of ambulation or upright positions in the first stage of labour among women with epidural analgesia on mode of delivery and other maternal and infant outcomes...
  71. ncbi How accurate is the reporting of obstetric haemorrhage in hospital discharge data? A validation study
    Samantha J Lain
    Clinical and Population Health, Perinatal Research, Kolling Institute of Medical Research, University of Sydney, New South Wales, Australia
    Aust N Z J Obstet Gynaecol 48:481-4. 2008
    ..Routinely collected datasets are frequently used for population-based research but their accuracy needs to be assured...
  72. ncbi Labor before a primary cesarean delivery: reduced risk of uterine rupture in a subsequent trial of labor for vaginal birth after cesarean
    Charles S Algert
    Department of Obstetrics and Gynaecology, Royal North Shore Hospital, Sydney, The Kolling Institute of Medical Research, Northern Clinical School, University of Sydney, Sydney, Australia
    Obstet Gynecol 112:1061-6. 2008
    ..To estimate the effect of the onset of labor before a primary cesarean delivery on the risk of uterine rupture if vaginal birth after cesarean (VBAC) is attempted in the next pregnancy...
  73. ncbi Delayed versus early pushing in women with epidural analgesia: a systematic review and meta-analysis
    Christine L Roberts
    Centre for Perinatal Health Services Research, School of Public Health, University of Sydney, New South Wales, Australia
    BJOG 111:1333-40. 2004
  74. ncbi Hypertensive disorders in pregnancy: a population-based study
    Christine L Roberts
    Centre for Perinatal Health Services Research, University of Sydney, NSW, Australia
    Med J Aust 182:332-5. 2005
    ..To determine population-based rates and outcomes of hypertensive disorders in pregnancy...
  75. ncbi Systematic review of adverse outcomes of external cephalic version and persisting breech presentation at term
    Natasha Nassar
    Centre for Perinatal Health Services Research, University of Sydney, Sydney, NSW, Australia
    Paediatr Perinat Epidemiol 20:163-71. 2006
    ..Only with improved reporting and collection of safety data on ECV and persisting breech presentation can we provide high-quality information to assist informed decision making by pregnant women with a breech presentation at term...
  76. ncbi Test characteristics of placental location screening by transabdominal ultrasound at 18-20 weeks
    E C Olive
    Centre for Perinatal Health Services Research, School of Public Health, University of Sydney, Australia
    Ultrasound Obstet Gynecol 28:944-9. 2006
    ..To determine the test characteristics of a second-trimester transabdominal fetal anomaly scan in screening for placenta previa...
  77. ncbi First trimester screening of maternal placental protein 13 for predicting preeclampsia and small for gestational age: in-house study and systematic review
    F J Schneuer
    Clinical and Population Perinatal Health Research, Kolling Institute of Medical Research, University of Sydney, Sydney, NSW, Australia
    Placenta 33:735-40. 2012
    ..To describe normative levels of PP13 in first trimester of pregnancy and determine the accuracy of PP13 in predicting preeclampsia and small for gestational age (SGA) infants...
  78. ncbi Effectiveness of nifedipine tocolysis to facilitate external cephalic version: a systematic review
    C B Wilcox
    Perinatal Research, Kolling Institute of Medical Research, University of Sydney, Australia
    BJOG 118:423-8. 2011
    ..The success rates of external cephalic version (ECV) are improved with the use of betamimetic tocolytics, but these drugs are associated with maternal side effects...
  79. ncbi Factors associated with non-utilisation of postnatal care services in Indonesia
    C R Titaley
    School of Public Health, Room 129A, Edward Ford Building A27, University of Sydney, NSW 2006, Australia
    J Epidemiol Community Health 63:827-31. 2009
    ..Postnatal care helps prevent neonatal deaths. This study aims to examine factors associated with non-utilisation of postnatal care in Indonesia...
  80. ncbi The management of breech pregnancies in Australia and New Zealand
    Hala Phipps
    Department of Obstetrics, King George V Hospital, Sydney, Australia
    Aust N Z J Obstet Gynaecol 43:294-7; discussion 261. 2003
    ..To assess current obstetric practice in the management of singleton breech pregnancies in Australia and New Zealand...
  81. ncbi Birth outcomes for teenage women in New South Wales, 1998-2003
    Stephen Robson
    Department of Obstetrics and Gynaecology, The Canberra Hospital, Australian National University Medical School, Australian Capital Territory, Australia
    Aust N Z J Obstet Gynaecol 46:305-10. 2006
    ..The combination of non-urban residence and young age at delivery might define a subgroup of women at special risk of adverse birth outcomes...
  82. ncbi Evaluation of a decision aid for women with breech presentation at term: a randomised controlled trial [ISRCTN14570598]
    N Nassar
    Centre for Perinatal Health Services Research, University of Sydney, New South Wales, Australia
    BJOG 114:325-33. 2007
    ..To evaluate the effectiveness of a decision aid for women with a breech presentation compared with usual care...
  83. ncbi A randomised trial, conducted by midwives, of perineal repairs comparing a polyglycolic suture material and chromic catgut
    Alexis Upton
    Nurse Unit Manager, Deliver Ward, King George V Hospital, Sydney, Australia
    Midwifery 18:223-9. 2002
    ..This trial also illustrates the difficulties of undertaking clinical research in a busy delivery ward...
  84. ncbi Predictors of labor and vaginal birth after cesarean section
    C A Cameron
    Centre for Perinatal Health Services Research, School of Public Health, University of Sydney, Sydney, NSW, Australia
    Int J Gynaecol Obstet 85:267-9. 2004
  85. ncbi Seasonal variation in pregnancy hypertension is correlated with sunlight intensity
    Charles S Algert
    Kolling Institute, University of Sydney, New South Wales, Australia
    Am J Obstet Gynecol 203:215.e1-5. 2010
    ..To examine seasonality of pregnancy hypertension rates, and whether they related to sunlight levels around conception...
  86. ncbi A prevalence survey of every-day activities in pregnancy
    Samantha J Lain
    Perinatal Research, Kolling Institute of Medical Research, University of Sydney, St Leonards, NSW, Australia
    BMC Pregnancy Childbirth 10:41. 2010
    ..The aim of this study is to ascertain the prevalence of selected activities in any seven day period during pregnancy...
  87. ncbi Outcomes of external cephalic version and breech presentation at term, an audit of deliveries at a Sydney tertiary obstetric hospital, 1997-2004
    Natasha Nassar
    Department of Perinatal Medicine, Women s and Children s Hospital, South Australia, Australia
    Acta Obstet Gynecol Scand 85:1231-8. 2006
    ..Probabilistic information on outcomes of breech presentation is important for clinical decision-making. We aim to quantify adverse maternal and fetal outcomes of breech presentation at term...
  88. ncbi Risk of complications in a second pregnancy following caesarean section in the first pregnancy: a population-based study
    Lee K Taylor
    New South Wales Department of Health, Locked Bag 961, North Sydney, NSW 2059, Australia
    Med J Aust 183:515-9. 2005
    ..To estimate the risks of maternal and perinatal morbidity and mortality in a second pregnancy, attributable to caesarean section in a first pregnancy...
  89. ncbi Diagnostic accuracy of clinical examination for detection of non-cephalic presentation in late pregnancy: cross sectional analytic study
    Natasha Nassar
    Centre for Perinatal Health Services Research, School of Public Health, University of Sydney NSW 2006, Australia
    BMJ 333:578-80. 2006
    ..To examine the diagnostic accuracy of clinical examination to determine fetal presentation in late pregnancy...
  90. ncbi The management of twin births in Australia and New Zealand
    Christine L Roberts
    Aust N Z J Obstet Gynaecol 43:397. 2003
  91. ncbi Prevalence and persistence of health problems after childbirth: associations with parity and method of birth
    Jane F Thompson
    Women and Children's Health, The Canberra Hospital, Australia
    Birth 29:83-94. 2002
    ..CONCLUSIONS: Health problems commonly occurred after childbirth with some resolution over the 6 months postpartum. Some important differences in prevalence of health problems were evident when parity and method of birth were considered...
  92. ncbi Monitoring severe maternal morbidity in Australia
    Christine L Roberts
    Aust N Z J Obstet Gynaecol 48:355-6; author repply 356-7. 2008