Research Topics
Genomes and GenesSpecies | L DoddsSummaryAffiliation: Dalhousie University Country: Canada Publications
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Detail Information
Publications
The association between low level exposures to ambient air pollution and term low birth weight: a retrospective cohort studyRose Dugandzic
Air Health Effects Division, Health Canada, Postal Locator 4602C, Ottawa Ontario, K1A 0K9, Canada
Environ Health 5:3. 2006..The purpose of this study was to examine the association between LBW among term infants and ambient air pollution, by trimester of exposure, in a region of lower level exposures...
Pneumococcal and influenza immunization in asplenic persons: a retrospective population-based cohort study 1990-2002Joanne M Langley
Department of Pediatrics, Dalhousie University, IWK Health Centre, 5850 University Avenue, Halifax Nova Scotia B3K6R8, Canada
BMC Infect Dis 10:219. 2010....
Impact of influenza exposure on rates of hospital admissions and physician visits because of respiratory illness among pregnant womenLinda Dodds
Canadian Centre for Vaccinology, Halifax, NS
CMAJ 176:463-8. 2007..We evaluated the impact of exposure during nonpandemic influenza seasons on the rates of hospital admissions and physician visits because of respiratory illness among pregnant women...
Stillbirth risk factors according to timing of exposureLinda Dodds
Department of Obstetrics and Gynaecology, Dalhousie University, Halifax, Nova Scotia, Canada
Ann Epidemiol 16:607-13. 2006..The purpose of the present study is to identify risk factors for stillbirth and explore hypotheses about the cause of stillbirth based on the time in gestation when exposures occur...
Effect of homocysteine concentration in early pregnancy on gestational hypertensive disorders and other pregnancy outcomesLinda Dodds
Departments of Obstetrics and Gynaecology and Pediatrics, Dalhousie University, Halifax, Nova Scotia, Canada
Clin Chem 54:326-34. 2008..This study was undertaken to determine whether increased tHcy measured in early pregnancy is associated with pregnancy loss, gestational hypertension (GH), preeclampsia, or small for gestational age (SGA) infants...
Relationship of time since childbirth and other pregnancy factors to premenopausal breast cancer prognosisLinda Dodds
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynaecology, Dalhousie University, Halifax, Nova Scotia, Canada
Obstet Gynecol 111:1167-73. 2008..To investigate the influence of time since childbirth and other pregnancy factors on the prognosis of premenopausal breast cancer...
Trihalomethanes in public water supplies and risk of stillbirthLinda Dodds
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynecology, Dalhousie University, 5980 University Avenue, Halifax, Nova Scotia, Canada B3H 4N1
Epidemiology 15:179-86. 2004..Recent studies have implicated exposure to chlorination byproducts in drinking water, trihalomethanes (THMs), in particular, with intrauterine death...
Validity of autism diagnoses using administrative health dataL Dodds
Perinatal Epidemiology Research Unit, Departments of Obstetrics and Gynaecology and Pediatrics, Dalhousie University, NS, Canada
Chronic Dis Can 29:102-7. 2009..However, additional data sources are needed to improve the sensitivity and accuracy of identifying autism in Canada...
The role of prenatal, obstetric and neonatal factors in the development of autismLinda Dodds
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynaecology, Dalhousie University, 5850 5980 University Avenue, P O Box 9700, Halifax, Nova Scotia B3K 6R8, Canada
J Autism Dev Disord 41:891-902. 2011..The role of pre-pregnancy obesity and excessive weight gain during pregnancy on autism risk require further investigation...
Application of a national administrative case definition for the identification of pre-existing diabetes mellitus in pregnancyV M Allen
Department of Obstetrics and Gynaecology, Dalhousie University, Halifax, Nova Scotia, Canada
Chronic Dis Inj Can 32:113-20. 2012..Accurate ascertainment of pregnant women with pre-existing diabetes allows for the comprehensive surveillance of maternal and neonatal outcomes associated with this chronic disease...
Rates and risk factors for recurrence of gestational diabetesS MacNeill
Department of Mathematics and Statistics, Dalhousie University, Halifax, Nova Scotia, Canada
Diabetes Care 24:659-62. 2001..Strategies to reduce the occurrence of neonatal macrosomia and maternal prepregnancy obesity may help lower the rate of recurrence of GDM...
Low levels of maternal serum PAPP-A in early pregnancy and the risk of adverse outcomesC A Spencer
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynaecology, Dalhousie University, Halifax, Nova Scotia, Canada
Prenat Diagn 28:1029-36. 2008..To determine if low maternal serum level of pregnancy associated plasma protein A (PAPP-A) measured in early pregnancy can predict adverse pregnancy outcomes and to examine the gestational age (GA) sampling interval for these outcomes...
Relation between trihalomethane compounds and birth defectsL Dodds
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynecology, Dalhousie University, IWK Grace Health Centre, 5980 University Avenue, Halifax, Nova Scotia B3H 4N1, Canada
Occup Environ Med 58:443-6. 2001..To evaluate the risk of birth defects relative to exposure to specific trihalomethanes in public water supplies...
Changes in maternal characteristics in Nova Scotia, Canada from 1988 to 2001Deshayne B Fell
Perinatal Epidemiology Research Unit, Departments of Obstetrics and Gynaecology and Pediatrics, Dalhousie University, Halifax, Nova Scotia
Can J Public Health 96:234-8. 2005..Many of these changes have not been adequately described at a population level. The purpose of this study was to describe recent trends in selected maternal characteristics in Nova Scotia...
Causes and consequences of recent increases in preterm birth among twinsK S Joseph
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynecology and Pediatrics, Dalhousie University Faculty of Medicine, Halifax, Nova Scotia, Canada
Obstet Gynecol 98:57-64. 2001..To examine the causes and consequences of the recent increase in preterm birth among twins...
A preterm birth prevention project in Nova Scotia, CanadaB A Armson
Department of Obstetrics and Gynaecology, Dalhousie University, Nova Scotia, Canada
Matern Child Health J 5:189-97. 2001..The Halifax County Preterm Birth Prevention Project was designed to evaluate the effectiveness of a population-based preterm birth (PTB) prevention program in Nova Scotia from January 1995 through June 1997 (n = 10,326)...
Changes in maternal characteristics and obstetric practice and recent increases in primary cesarean deliveryK S Joseph
Departments of Obstetrics and Gynecology and Pediatrics, Dalhousie University Faculty of Medicine, Halifax, Nova Scotia, Canada
Obstet Gynecol 102:791-800. 2003....
Diabetes mellitus following gestational diabetes: role of subsequent pregnancyC Russell
Department of Community Health and Epidemiology, Dalhousie University, Halifax, Nova Scotia, Canada
BJOG 115:253-9; discussion 260. 2008..The role of a subsequent pregnancy, with and without gestational diabetes, was also examined...
Socioeconomic status and perinatal outcomes in a setting with universal access to essential health care servicesK S Joseph
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynaecology, Dalhousie University and the IWK Health Centre, Halifax, NS
CMAJ 177:583-90. 2007..Our objective was to determine whether perinatal and infant outcomes varied by family income and other socioeconomic factors in this setting...
A population-based evaluation of antenatal diagnosis of orofacial cleftsKathleen A Russell
Division of Orthodontics, Faculty of Dentistry, Dalhousie University and IWK Health Centre, 5981 University Avenue, Halifax, Nova Scotia, Canada
Cleft Palate Craniofac J 45:148-53. 2008....
Outcomes in a population of healthy term and near-term infants with serum bilirubin levels of >or=325 micromol/L (>or=19 mg/dL) who were born in Nova Scotia, Canada, between 1994 and 2000Krista A Jangaard
Department of Neonatal Perinatal Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
Pediatrics 122:119-24. 2008....
The impact of pregnancy on physical activity levelDeshayne B Fell
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynaecology, Dalhousie University and the IWK Health Centre, Halifax, NS, Canada B3K 6R8
Matern Child Health J 13:597-603. 2009....
Timing of indicated delivery after antenatal steroids in preterm pregnancies with severe hypertensionShaun Ferguson
Department of Obstetrics and Gynaecology, Dalhousie University, Halifax, Nova Scotia, Canada
Hypertens Pregnancy 28:63-75. 2009....
Recent changes in maternal characteristics by socioeconomic statusK S Joseph
Perinatal Epidemiology Research Unit, Departments of Obstetrics and Gynaecology and Pediatrics, Dalhousie University and the IWK Health Centre, Halifax, NS
J Obstet Gynaecol Can 31:422-33. 2009..To describe changes in maternal characteristics by socioeconomic status, in order to provide a context for recent changes in the frequency of obstetric procedures and outcomes, and information for health planning purposes...
Duchenne muscular dystrophy: a 30-year population-based incidence studyJoseph Dooley
IWK Health Centre, Dalhousie University, Nova Scotia, Canada
Clin Pediatr (Phila) 49:177-9. 2010..The overall incidence of 1 per 4700 male births remained stable during the 30-year period of the study. Similarly, the age at diagnosis did not change during that time...
Socioeconomic status and receipt of obstetric services in CanadaK S Joseph
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynaecology, Dalhousie University Faculty of Medicine and the IWK Health Centre, Halifax, Nova Scotia, Canada
Obstet Gynecol 107:641-50. 2006..To examine differences in labor induction and cesarean delivery rates by socioeconomic status in Nova Scotia, Canada...
A population-based study to determine the performance of the Cognitive Adaptive Test/Clinical Linguistic and Auditory Milestone Scale to Predict the Mental Developmental Index at 18 Months on the Bayley Scales of Infant Development-II in very preterm infaMichael J Vincer
Department of Pediatrics, Dalhousie University, Halifax, Nova Scotia, Canada
Pediatrics 116:e864-7. 2005....
Outcomes of pregnancies complicated by hyperemesis gravidarumLinda Dodds
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynaecology, Dalhousie University, Halifax, Nova Scotia, Canada
Obstet Gynecol 107:285-92. 2006..To evaluate maternal and neonatal outcomes among women with hyperemesis during pregnancy...
Residential mobility during pregnancyDeshayne B Fell
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynecology, Dalhousie University, Halifax, Nova Scotia B3K 6R8, Canada
Paediatr Perinat Epidemiol 18:408-14. 2004..The potential for differential exposure misclassification should be considered should any of the risk factors for moving identified by this study also be risk factors for the outcome under study...
A population-based study of prognostic factors related to major disability in very preterm survivorsSylvia Perrott
Department of Community Health and Epidemiology, Dalhousie University, Halifax, Nova Scotia, Canada
J Perinatol 23:111-6. 2003..CONCLUSION: This study confirms the association between cystic PVL and major disability observed in other studies. Surgery and hypernatremia will be important to verify in future studies since preventive measures may be possible...
The perinatal effects of delayed childbearingK S Joseph
Perinatal Epidemiology Research Unit, Departments of Obstetrics and Gynaecology and Pediatrics, Dalhousie University, Halifax, Nova Scotia, Canada
Obstet Gynecol 105:1410-8. 2005....
Congenital anomalies and other birth outcomes among infants born to women living near a hazardous waste site in Sydney, Nova ScotiaL Dodds
Perinatal Epidemiology Research Unit, Departments of Obstetrics and Gynecology and Pediatrics, Dalhousie University, Halifax, NS
Can J Public Health 92:331-4. 2001..Since Sydney and the rest of Cape Breton County share a similar risk factor and socio-demographic profile, other factors likely explain the increased rates observed in Sydney...
Impact of participation in the Halifax County Preterm Birth Prevention ProjectB Anthony Armson
Department of Obstetrics and Gynaecology, Dalhousie University, Halifax, NS, Canada
J Obstet Gynaecol Can 25:209-17. 2003....
Single umbilical artery risk factors and pregnancy outcomesLynn Murphy-Kaulbeck
Department of Obstetrics and Gynaecology, The Moncton Hospital, Moncton, New Brunswick, Canada
Obstet Gynecol 116:843-50. 2010....
The influence of hospital closures in Nova Scotia on perinatal outcomesVictoria M Allen
Department of Obstetrics and Gynaecology, Dalhousie University, Halifax, Nova Scotia, Canada
J Obstet Gynaecol Can 26:1077-85. 2004....
Does chorionicity or zygosity predict adverse perinatal outcomes in twins?Johanne Dubé
Department of Obstetrics and Gynecology, Dalhousie University, Halifax, Nova Scotia, Canada
Am J Obstet Gynecol 186:579-83. 2002..The purpose of this study was to evaluate chorionicity and zygosity as risk factors for adverse perinatal outcomes in twins...
Relation of pregnancy and neonatal factors to subsequent development of childhood epilepsy: a population-based cohort studyElizabeth Whitehead
Department of Community Health and Epidemiology, Dalhousie University, Halifax, Nova Scotia, Canada
Pediatrics 117:1298-306. 2006..CONCLUSIONS: Our study supports the concept that prenatal factors contribute to the occurrence of subsequent childhood epilepsy...
Risk factors for hyperemesis gravidarum requiring hospital admission during pregnancyDeshayne B Fell
Perinatal Epidemiology Research Unit, Department of Obstetrics and Gynaecology, Dalhousie University, Halifax, Nova Scotia, Canada
Obstet Gynecol 107:277-84. 2006..level of evidence: ii-2...
Health-risk behaviours: examining social disparities in the occurrence of stillbirthJennifer Goy
Department of Community Health and Epidemiology, Queen s University, Kingston, ON, Canada
Paediatr Perinat Epidemiol 22:314-20. 2008..31 to 2.79. This large unexplained SES effect that remained highlights the need for research into other potential pathways that may account for increased risk of stillbirth among those of lower SES...
Unexplained elevated maternal serum alpha-fetoprotein and/or human chorionic gonadotropin and the risk of adverse outcomesSujata Chandra
Department Obstetrics and Gynecology, University of Alberta, Edmonton, Canada
Am J Obstet Gynecol 189:775-81. 2003....
Congenital abnormalities and childhood cancerMohammad M Agha
Pediatric Oncology Group of Ontario, Toronto, Ontario, Canada
Cancer 103:1939-48. 2005..Although the study of a genetic predisposition to cancer in children remains in the early stages, congenital abnormalities could provide essential information for mapping predisposing lesions in children with cancer...
Determinants of survival in children with congenital abnormalities: a long-term population-based cohort studyMohammad M Agha
Pediatric Oncology Group of Ontario, Toronto, Canada
Birth Defects Res A Clin Mol Teratol 76:46-54. 2006..In particular, it is not clear whether other birth characteristics, apart from birth defects, have any role in their mortality...
Exposure assessment in epidemiologic studies of adverse pregnancy outcomes and disinfection byproductsWill D King
Department of Community Health and Epidemiology, Queen s University, Kingston, Ontario, Canada
J Expo Anal Environ Epidemiol 14:466-72. 2004....
Assessing exposure in epidemiologic studies to disinfection by-products in drinking water: report from an international workshopTye E Arbuckle
Bureau of Reproductive and Child Health, Health Canada, Ottawa, Ontario, Canada
Environ Health Perspect 110:53-60. 2002..Similarly, exposure classification categories in epidemiologic studies should be chosen to make results useful for regulatory or policy decision making...
Influenza vaccine programs and pregnancy: new Canadian evidence for immunizationShelly A McNeil
Canadian Centre for Vaccinology, Halifax NS
J Obstet Gynaecol Can 29:674-6. 2007....
Influenza vaccine programs and pregnancy: a need for more evidenceNoni E MacDonald
Canadian Centre for Vaccinology, Halifax NS
J Obstet Gynaecol Can 26:961-3. 2004..This commentary provides an overview of maternal morbidity in pandemic and nonpandemic influenza seasons as well as a list of research questions whose answers are needed for evidence-based public health policy in this area...
