422: Gestational weight gain in twin pregnancies: does achievement of body mass index-specific weight gain recommendations reduce preterm birth and neonatal morbidity?

Pre-Pregnancy Body Mass Index, Gestational Weight Gain, and Birth Weight: A Cohort Study in China

OBJECTIVE To assess whether pre-pregnancy body mass index (BMI) modify the relationship between gestational weight gain (GWG) and child birth weight (specifically, presence or absence of low birth weight (LBW) or presence of absence of macrosomia), and estimates of the relative risk of macrosomia and LBW based on pre-pregnancy BMI were controlled in Wuhan, China. METHODS From June 30, 2011 to...

The Effect of Prepregnancy Body Mass Index and Gestational Weight Gain on Birth Weight

Effect of prepregnancy body mass index and gestational weight gain on birth weight.

OBJECTIVE Nutritional status of women has been considered an important prognostic indicator of birth outcome. The study aims to show the effect of various prepregnancy Body Mass Index (BMI) categories and corresponding gestational weight gain on newborn birth weight. METHODS Two hundred women were included in the study. These women had regular antenatal visits and later delivered at The Aga K...

Body mass index, provider advice, and target gestational weight gain.

OBJECTIVE To study the relationships among prepregnancy body mass index (BMI), women's target gestational weight gain, and provider weight gain advice. METHODS Project WISH, the acronym for Women and Infants Starting Healthy, is a longitudinal cohort study of pregnant women in the San Francisco Bay area. We excluded subjects with preterm birth, multiple gestation, or maternal diabetes. RESU...

Contribution of prepregnancy body mass index and gestational weight gain to caesarean birth in Canada

BACKGROUND Overweight and obese women are known to be at increased risk of caesarean birth. This study estimates the contribution of prepregnancy body mass index (BMI) and gestational weight gain (GWG) to caesarean births in Canada. METHODS We analyzed data from women in the Canadian Maternity Experiences Survey who had a singleton term live birth in 2005-2006. Adjusted odds ratios for caesar...