Phenotypic Classification of preterm Birth Among Multiparous Women: A Population-Based Cohort Study
نویسندگان
چکیده
منابع مشابه
Adverse birth outcomes among nulliparous vs. multiparous women.
OBJECTIVES Previous studies indicate that nulliparous women (i.e., women having no previous births) are at higher risk for adverse birth outcomes than multiparous women (i.e., women having had at least one previous birth). We examined whether part of the difference in adverse outcome rates is attributable to nulliparous women with poor pregnancy outcomes being less likely (through choice or fec...
متن کاملSecular trends in preterm birth: a hospital-based cohort study.
CONTEXT Canada and the United States have reported a recent increase in the incidence of preterm birth, but the reasons for this increase are unknown. OBJECTIVE To assess secular trends in preterm birth and its potential determinants. DESIGN Hospital-based cohort study. SETTING Canadian tertiary care university teaching hospital, 1978-1996. PARTICIPANTS A total of 65574 nonreferred live...
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BACKGROUND Very few studies have investigated the neonatal outcomes after vacuum extraction delivery (VE) in the preterm period and the results of these studies are inconclusive. The objective of this study was to describe the use of VE for preterm delivery in Sweden and to compare rates of neonatal complications after preterm delivery by VE to those found after cesarean section during labor (C...
متن کاملPreterm birth and congenital heart defects: a population-based study.
BACKGROUND AND OBJECTIVES Preterm birth (PTB) and congenital heart defect (CHD) are 2 major causes of mortality and disability of perinatal origin. There are limited data on the relation between CHD and PTB. Our objective was to use population-based data to estimate the risk of PTB in newborns with CHD and to study specific associations between categories of CHD and PTB. METHODS We used data ...
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OBJECTIVES To assess gestational length and prevalence of preterm birth among medically and naturally conceived twins; to establish the role of zygosity and chorionicity in assessing gestational length in twins born after subfertility treatment. DESIGN Population based cohort study. SETTING Collaborative network of 19 maternity facilities in East Flanders, Belgium (East Flanders prospective...
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ژورنال
عنوان ژورنال: Journal of Obstetrics and Gynaecology Canada
سال: 2019
ISSN: 1701-2163
DOI: 10.1016/j.jogc.2019.03.015