Spontaneous and indicated preterm delivery risk is increased among overweight and obese women without prepregnancy chronic disease.

ABSTRACT:

Objective

To investigate the independent impact of prepregnancy obesity on preterm delivery among women without chronic diseases by gestational age, preterm category and parity.

Design

A retrospective cohort study.

Setting

Data from the Consortium on Safe Labor (CSL) in the USA (2002-08).

Population

Singleton deliveries at ≥23 weeks of gestation in the CSL (43 200 nulliparas and 63 129 multiparas) with a prepregnancy body mass index (BMI) ≥18.5 kg/m² and without chronic diseases.

Methods

Association of prepregnancy BMI and the risk of preterm delivery was examined using Poisson regression with normal weight as reference.

Main outcome measures

Preterm deliveries were categorised by gestational age (extremely, very, moderate to late) and

SUBMITTER: Kim SS 

PROVIDER: S-EPMC5568983 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature