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妊娠期体重增加与产科关节损伤之间的关联

Sahar Khademioore¹, Sara Khademioureh¹, Ahmad Sofi-Mahmudi¹

¹Department of Health Research Methods, Evidence, and Impact, and the Department of Obstetrics and Gynecology, Faculty of Health Sciences, McMaster University, Hamilton, Ontario, the School of Public Health, University of Alberta, Edmonton, Alberta, and the Department of Obstetrics and Gynaecology, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada; and the Clinical Epidemiology Unit, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden.

|October 13, 2025

概括

过度的孕期体重增加增加了大多数人体质量指数 (BMI) 类别的产科关节损伤的风险. 这种风险主要是由出生体重增加引起的,这凸显了怀孕期间体重管理的重要性.

科学领域:

产科和妇科产科和妇科
孕产妇和胎儿医学孕产妇和胎儿医学
公共卫生公共卫生

背景情况:

孕期体重增加 (GWG) 是妊娠结果的一个关键因素.
怀孕前的体重指数 (BMI) 影响GWG和相关风险.
产科关节损伤 (OASI) 是阴道分娩的一个重要并发症.

研究的目的:

调查GWG与医学研究所 (IOM) 准则和OASI风险之间的关联.
为了检查这些协会跨不同的孕前BMI类别.
探索胎儿出生体重在GWG-OASI关系中的调解作用.

主要方法:

基于人口的回顾性队列研究,使用美国国家生命统计系统的出生档案 (2021-2023).
单子,满期,阴道分娩的分析.
后勤回归和受限制的立方线回归来评估GWG (低于,在,高于IOM指南) 和OASI风险在BMI类别;对出生体重的调解分析.

主要成果:

OASI发生在1.2%的分娩中;GWG高于推的比例 (1.3%).
在IOM指导方针的范围内,GWG在大多数BMI类别 (平均,超重,肥胖类别I和II) 中增加了OASI几率.
低于推值的GWG仅对平均体重的个体有保护作用;出生体重在所有BMI组中调解了GWG-OASI关联.

结论:

超过IOM指南的GWG与大多数BMI类别的OASI风险增加有关,除了体重不足和III类肥胖症.
低于指南的GWG仅在平均重量时提供保护.
观察到的GWG和OASI之间的关联在很大程度上是由胎儿出生体重介导的.

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