Impact of interpregnancy weight change on the risk of gestational diabetes mellitus during a second pregnancy in Chinese population: a retrospective cohort study.

ABSTRACT:

Objectives

This study aimed to investigate the impact of interpregnancy weight changes (IPWC) on the gestational diabetes mellitus (GDM) in the second pregnancy.

Design

A single-centre retrospective cohort study was conducted in China.

Setting

Data were collected in Peking University Shenzhen Hospital from 2013 January to 2021 February.

Participants

Participants include women who had two consecutive singleton deliveries after 28 gestational weeks (n=2372).

Outcomes

The GDM in the second pregnancy (s-GDM) was set as the outcome.

Methods

IPWC was defined as the change in body mass index between the first trimester of the second pregnancy and that of the first pregnancy, categorised into four groups with -1 kg/m² to <1 kg/m² as the reference. Adjuste

SUBMITTER: Yang A 

PROVIDER: S-EPMC11758697 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature