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    Association between interpregnancy interval and adverse perinatal outcomes according to maternal age in the context of China’s two-child policy by SiQin Xiu, Li Tang, Chengjie Qin, Di Tian, Yuhong Chen, Lingling Gu, Liu Yang, Yuhao Sun, Xinghui Liu, Yonghong Lin, Yumei Wang

    Published 2025-01-01
    “…Methods We conducted a retrospective cohort study of 23,899 pregnant women who delivered between January 1, 2017 and December 31, 2019 at Chengdu Women’s and Children’s Central Hospital and West China Second Hospital of Sichuan University. IPIs were categorized as < 18 months, 18–23 months, 24–59 months, 60–119 months, and ≥ 120 months. …”
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