Recent attempted and actual weight change in relation to pregnancy loss: a prospective cohort study.

ABSTRACT:

Objective

To assess weight change and attempted weight loss during the 12-18 months before spontaneous conception in relation to the risk of pregnancy loss.

Design

Prospective cohort study.

Setting

United States, 2007-2011.

Methods

Women (n = 629) who were attempting pregnancy reported at baseline any weight loss attempts over the past 12 months, and their minimum and maximum weights during that time. Follow up lasted one to six menstrual cycles and throughout pregnancy. Using bodyweight measured at 4 weeks' gestation, participants were categorised as having weight loss ≥5%, weight gain ≥5%, both, or neither, over the previous 12-18 months. Log-binomial models adjusted for potential confounders.

Main outcome measures

Risk ratio (RR) and 95% confidence in

SUBMITTER: Radin RG 

PROVIDER: S-EPMC5918461 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature