Biopsychosocial determinants of pregnancy length and fetal growth

Paediatric and Perinatal Epidemiology
Jennifer St-LaurentLoretta Czernis

Abstract

The causes and mechanisms related to preterm delivery and intrauterine growth restriction are poorly understood. Our objective was to assess the direct and indirect effects of psychosocial and biomedical factors on the duration of pregnancy and fetal growth. A self-administered questionnaire was distributed to pregnant women attending prenatal ultrasound clinics in nine hospitals in the Montérégie region in the province of Quebec, Canada, from November 1997 to May 1998. Prenatal questionnaires were linked with birth certificates. Theoretical models explaining pregnancy length and fetal growth were developed and tested, using path analysis. In order to reduce the number of variables from the questionnaire, a principal component analysis was performed, and the three most important new dimensions were retained as explanatory variables in the final models. Data were available for 1602 singleton pregnancies. The biophysical score, covering both maternal age and the pre-pregnancy body mass index, was the only variable statistically associated with pregnancy length. Smoking, obstetric history, maternal health and biophysical indices were direct predictors of fetal growth. Perceived stress, social support and self-esteem were not direc...Continue Reading

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Citations

Jun 14, 2014·Journal of Developmental Origins of Health and Disease·H M SalihuA P Alio
Sep 25, 2015·Journal of Obstetric, Gynecologic, and Neonatal Nursing : JOGNN·Barbara L WilsonLaurie Baksh
Dec 12, 2012·Paediatric and Perinatal Epidemiology·Maureen HeamanDavid Young
Oct 20, 2010·Paediatric and Perinatal Epidemiology·Emily W HarvilleMercedes Carnethon
Jul 22, 2014·Journal of Advanced Nursing·Emily W HarvilleYiqiong Xie
Feb 6, 2015·Maternal and Child Health Journal·Amber E SolivanPierre Buekens
Aug 6, 2011·American Journal of Obstetrics and Gynecology·Melissa J ChenAnn E B Borders
Jun 28, 2016·Journal of Epidemiology and Community Health·Gabriel D ShapiroSeungmi Yang
Apr 2, 2019·The Journal of Maternal-fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians·Maryam KashanianNarges Sheikhansari
Jun 15, 2011·European Journal of Epidemiology·Adela CastellóFrancisco Bolúmar

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