Association between pre-pregnancy BMI and preterm birth in Chinese women: a retrospective study
In Chinese population, pre-pregnancy underweight and severity of underweight were not significantly associated with the risk of PTB; while overweight and obesity increased the risk of PTB. The nadir of PTB risk corresponded to a PPBMI of approximately 18.5-21.5 kg/m<sup>2</sup>, with a potential risk threshold around 24.5 kg/m<sup>2</sup>.
Authors
- Xinyi Lu (ORCID: https://orcid.org/0000-0001-6255-5472)
- J Zhang
- Tao Duan (ORCID: https://orcid.org/0000-0001-5320-4611)
- Q. Li (ORCID: https://orcid.org/0000-0002-7795-481X)
Institutions
- Fudan University (CN)
- XinHua Hospital (CN)
- Shanghai First Maternity and Infant Hospital (CN)
Publication Details
- Journal
- Annals of Medicine
- Published
- 2026-03-11
- DOI
- https://doi.org/10.1080/07853890.2026.2639163
- Primary Topic
- Gestational Diabetes Research and Management
- Type
- article
- Field-Weighted Citation Impact
- 0.00