Gao Ying, Li Yijia, Yang Luyao, Jiang Yijiong, Tan Xiao, Chen Danqing
Department of Sports Science, College of Education, Zhejiang University, Hangzhou, China.
Department of Sports Science, College of Education, Zhejiang University, Hangzhou, China; School of Public Health, Zhejiang University, Hangzhou, China.
Eur J Obstet Gynecol Reprod Biol. 2025 Nov;314:114689. doi: 10.1016/j.ejogrb.2025.114689. Epub 2025 Sep 2.
The effects of physical activity (PA), especially brisk walking, on labor outcomes and pregnancy health have not been clearly established. This study aimed to investigate the relationship between PA and cervical ripeness and pregnancy outcomes in term pregnant women.
A prospective cohort study was conducted with 52 pregnant women (30.7 ± 3.0 years old) at 37 weeks of gestation who wore accelerometers to measure PA until delivery. Their delivery outcomes and related clinical results were recorded. Participants were categorized into brisk walking ≥1 h group (AW group, n = 32) and brisk walking <1 h group (BW group, n = 20) according to whether their average daily brisk walking time exceeded 1 h. Independent samples t-tests were used to compare the differences between groups, while the correlations between brisk walking duration and cervical ripeness, and pregnancy outcomes were analyzed using multi-factor logistic regression.
(1) Full-term pregnant women had an average daily sedentary time exceeding 9 h in late pregnancy (AW group: 9.7 ± 1.1 h/d, BW group: 10.2 ± 1.3 h/d). (2) Compared with the BW group, the AW group had significantly higher moderate-intensity physical activity time (1.5 ± 0.5 vs. 0.8 ± 0.2 h/d, P < 0.001) and lower need for cervical ripening promotion (31.2 % vs. 50.0 %, P = 0.027). (3) Daily brisk walking duration was significantly and positively correlated with cervical ripening, with longer durations associated with more favorable cervical ripening (OR = 6.98, 95 % CI: 1.26-38.58, P = 0.026).
Brisk walking for ≥1 h per day in term pregnant women improves cervical ripening and reduces the need for artificial cervical ripening. These findings suggest that average daily brisk walking of at least 1 h before delivery may contribute to more favorable pregnancy outcomes in full-term pregnant women.
体力活动（PA），尤其是快走，对分娩结局和孕期健康的影响尚未明确。本研究旨在调查足月孕妇的PA与宫颈成熟度及妊娠结局之间的关系。
对52名妊娠37周的孕妇（年龄30.7±3.0岁）进行前瞻性队列研究，这些孕妇佩戴加速度计测量PA直至分娩。记录她们的分娩结局及相关临床结果。根据平均每日快走时间是否超过1小时，将参与者分为快走≥1小时组（AW组，n = 32）和快走<1小时组（BW组，n = 20）。采用独立样本t检验比较组间差异，同时使用多因素逻辑回归分析快走持续时间与宫颈成熟度及妊娠结局之间的相关性。
（1）足月孕妇在妊娠晚期平均每日久坐时间超过9小时（AW组：9.7±1.1小时/天，BW组：10.2±1.3小时/天）。（2）与BW组相比，AW组的中等强度体力活动时间显著更长（1.5±0.5 vs. 0.8±0.2小时/天，P<0.001），促进宫颈成熟的需求更低（31.2% vs. 50.0%，P = 0.027）。（3）每日快走持续时间与宫颈成熟度显著正相关，持续时间越长，宫颈成熟度越佳（OR = 6.98，95%CI：1.26 - 38.58，P = 0.026）。
足月孕妇每天快走≥1小时可改善宫颈成熟度并减少人工促宫颈成熟的需求。这些发现表明，分娩前平均每日至少快走1小时可能有助于足月孕妇获得更良好的妊娠结局。
