Ruth M Hadfield

Summary

Affiliation: University of Sydney
Country: Australia

Publications

  1. doi request reprint 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
  2. doi request reprint 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
  3. ncbi request reprint 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
  4. doi request reprint 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
  5. ncbi request reprint 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
  6. pmc 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
  7. doi request reprint Quality of data in perinatal population health databases: a systematic review
    Samantha J Lain
    Perinatal Research, Kolling Institute of Medical Research, University of Sydney, St Leonards, Australia
    Med Care 50:e7-20. 2012
  8. pmc Sleep apnea in early childhood associated with preterm birth but not small for gestational age: a population-based record linkage study
    Camille H Raynes-Greenow
    Sydney School of Public Health, University of Sydney, Australia
    Sleep 35:1475-80. 2012
  9. pmc 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
  10. doi request reprint 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

Detail Information

Publications10

  1. doi request reprint 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...
  2. doi request reprint 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...
  3. ncbi request reprint 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...
  4. doi request reprint 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...
  5. ncbi request reprint 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...
  6. pmc 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...
  7. doi request reprint Quality of data in perinatal population health databases: a systematic review
    Samantha J Lain
    Perinatal Research, Kolling Institute of Medical Research, University of Sydney, St Leonards, Australia
    Med Care 50:e7-20. 2012
    ..However, the accuracy and completeness of the information in the PHDS is important to ensure validity of the results of this research...
  8. pmc Sleep apnea in early childhood associated with preterm birth but not small for gestational age: a population-based record linkage study
    Camille H Raynes-Greenow
    Sydney School of Public Health, University of Sydney, Australia
    Sleep 35:1475-80. 2012
    ..Investigate the relationship between gestational age and weight for gestational age and sleep apnea diagnosis in a cohort of children aged up to 6 years old...
  9. pmc 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...
  10. doi request reprint 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...