Non-linear association between interpregnancy interval after vaginal delivery and singleton preterm birth: a retrospective cohort study
In patients with a history of vaginal delivery, a J-shaped non-linear relationship was found between the IPI and the risk of PTB. IPIs of ≤ 11 months and ≥ 24 months were associated with an increased risk of PTB.
Authors
- Qiu‐Hong Pan (ORCID: https://orcid.org/0000-0002-5045-716X)
- Xueli Ren (ORCID: https://orcid.org/0000-0001-6557-7829)
- Tingting Zhuang
- Yu Zhang
- Jingli Sun (ORCID: https://orcid.org/0009-0007-1641-2455)
Institutions
- Dalian Medical University (CN)
- General Hospital of Shenyang Military Region (CN)
- Jinzhou Medical University (CN)
- China Medical University (CN)
Publication Details
- Journal
- BMC Pregnancy and Childbirth
- Published
- 2025-03-11
- DOI
- https://doi.org/10.1186/s12884-025-07373-x
- Citations
- 2
- Primary Topic
- Maternal Mental Health During Pregnancy and Postpartum
- Type
- article
- Field-Weighted Citation Impact
- 3.76