Association between maternal alcohol consumption during pregnancy and risk of preterm delivery: the Japan Environment and Children's Study.

ABSTRACT:

Objective

To examine the association between maternal alcohol consumption during pregnancy and the risk of preterm delivery.

Design

Prospective cohort study.

Setting

The Japan Environment and Children's Study (JECS).

Population

A total of 94 349 singleton pregnancies.

Methods

Participants completed questionnaires detailing alcohol consumption during the first trimester and during the second and third trimesters. Participants were divided into four categories according to alcohol consumption (non-drinkers, consumers of 1-149 g, 150-299 g and ≥300 g ethanol/week). We examined the effect of alcohol consumption during different stages of pregnancy on the risk of preterm delivery. Odds ratios (OR) and 95% CI were calculated relative to non-drinkers using logi

SUBMITTER: Ikehara S 

PROVIDER: S-EPMC7003893 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature