To evaluate the association between prepregnancy body mass index (BMI) is associated with early vs. late and medically-induced vs. spontaneous preterm birth ...
Parker et al. BMC Pregnancy and Childbirth 2014, 14:153 http://www.biomedcentral.com/1471-2393/14/153
RESEARCH ARTICLE
Open Access
Prepregnancy body mass index and risk of preterm birth: association heterogeneity by preterm subgroups Margaret G Parker1*, Fengxiu Ouyang2, Colleen Pearson1, Matthew W Gillman3,4, Mandy B Belfort5, Xiumei Hong6,7, Guoying Wang6,7, Linda Heffner8, Barry Zuckerman1 and Xiaobin Wang6,7
Abstract Background: To evaluate the association between prepregnancy body mass index (BMI) is associated with early vs. late and medically-induced vs. spontaneous preterm birth (PTB) subtypes. Methods: Using data from the Boston Birth Cohort, we examined associations of prepregnancy BMI with 189 early (
