Affiliation:
1. Department of Obstetrics and Gynecology, Xiangyang No.1 People's Hospital Hubei University of Medicine Xiangyang Hubei China
Abstract
AbstractObjectiveTo assess the association between interpregnancy interval (IPI) and gestational diabetes mellitus (GDM).MethodsData of this retrospective cohort study were obtained from the National Vital Statistics System (NVSS) 2020. The participants were divided into different groups according to different IPI (<6, 6–11, 12–17, 18–23, 24–59 (reference), 60–119, ≥120 months). Multivariate logistic models were constructed to evaluate the association between IPI and GDM. Subgroup analysis was further performed.ResultsA total of 1 515 263 women were included, with 123 951 (8.18%) having GDM. Compared with the 24–59 months group, the <6 months (odds ratio [OR] 0.64, 95% confidence interval [CI] 0.46–0.90, P = 0.009), 12–17 months (OR 0.96, 95% CI 0.94–0.98, P < 0.001), and 18–23 months (OR 0.94, 95% CI 0.93–0.96, P < 0.001) groups had a significantly lower risk of GDM, while the 60–119 months (OR 1.13, 95% CI 1.11–1.15, P < 0.001) and ≥120 months (OR 1.18, 95% CI 1.15–1.21, P < 0.001) groups had a significantly higher risk of GDM. No significant difference was observed in the risk of GDM between the 6–11 and 24–59 months groups (P = 0.542). The PI–GDM association varied across different groups of age, pre‐pregnancy body mass index, pre‐pregnancy smoking status, history of cesarean section, history of preterm birth, prior terminations, and parity.ConclusionAn IPI of 18–23 months may be a better interval than 24–59 months in managing the risk of GDM.
Subject
Obstetrics and Gynecology,General Medicine
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