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已发表论文
不同受孕方式双胎妊娠产后早期盆底肌表面肌电图的单中心回顾性研究（中国）
Authors Yu S, Chi X, Su X, Ying X, Lv S, Ma J, Wang Y
Received 18 June 2025
Accepted for publication 7 September 2025
Published 19 September 2025 Volume 2025:17 Pages 3087—3095
DOI https://doi.org/10.2147/IJWH.S543734
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 2
Editor who approved publication: Dr Vinay Kumar
Shushu Yu,1,2,* Xiaolei Chi,1,2,* Xiaohan Su,1,2,* Xiang Ying,1,2 Shuping Lv,1,2 Jue Ma,1,2 Yanlin Wang1,2
1Department of Obstetrics and Gynecology, International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200030, People’s Republic of China; 2Shanghai Key Laboratory of Embryo Original Disease, Shanghai, 200030, People’s Republic of China
*These authors contributed equally to this work
Correspondence: Yanlin Wang, Email wyanlin@163.com
Purpose: To assess the early postpartum pelvic floor function in twin pregnancies of different conception modalities by measuring surface electromyography of the pelvic floor muscles with the Glazer protocol.
Methods: This retrospective study analyzed 241 twin pregnancies delivered via cesarean section at the International Peace Maternity and Child Health Hospital (IPMCHH), affiliated with Shanghai Jiao Tong University School of Medicine, between March 2019 and December 2023. Participants underwent pelvic floor function assessments 42– 60 days postpartum. Pelvic floor muscle activity was evaluated using surface electromyography (sEMG) following the Glazer protocol. Univariate and multivariable logistic regression analyses were performed to assess the impact of conception modes (natural vs ART) on early postpartum pelvic floor function in twin pregnancies.
Results: The mean anterior resting phase amplitude was 4.80 ± 5.23 μV in the ART group versus 6.38 ± 6.30 μV in the naturally conceived group. Similarly, the posterior resting phase amplitude measured 5.15 ± 5.28 μV (ART) and 6.78 ± 7.67 μV (natural conception). The total Glazer score differed significantly between groups, with ART pregnancies scoring 74.80 ± 14.82 and natural conception pregnancies scoring 67.57 ± 21.57 (P < 0.05). Univariate and multivariable logistic regression analyses confirmed that the total Glazer score during the early postpartum period was independently associated with conception mode (P < 0.05).
Conclusion: Women with twin pregnancies conceived via ART may exhibit marginally improved pelvic floor function during the early postpartum period (6– 8 weeks) compared to naturally conceived counterparts, potentially attributable to elevated estrogen levels associated with ART.
Keywords: twin pregnancies, assisted reproductive technology, ART, Glazer protocol, surface electromyography, sEMG
1Department of Obstetrics and Gynecology, International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200030, People’s Republic of China; 2Shanghai Key Laboratory of Embryo Original Disease, Shanghai, 200030, People’s Republic of China
*These authors contributed equally to this work
Correspondence: Yanlin Wang, Email wyanlin@163.com
Purpose: To assess the early postpartum pelvic floor function in twin pregnancies of different conception modalities by measuring surface electromyography of the pelvic floor muscles with the Glazer protocol.
Methods: This retrospective study analyzed 241 twin pregnancies delivered via cesarean section at the International Peace Maternity and Child Health Hospital (IPMCHH), affiliated with Shanghai Jiao Tong University School of Medicine, between March 2019 and December 2023. Participants underwent pelvic floor function assessments 42– 60 days postpartum. Pelvic floor muscle activity was evaluated using surface electromyography (sEMG) following the Glazer protocol. Univariate and multivariable logistic regression analyses were performed to assess the impact of conception modes (natural vs ART) on early postpartum pelvic floor function in twin pregnancies.
Results: The mean anterior resting phase amplitude was 4.80 ± 5.23 μV in the ART group versus 6.38 ± 6.30 μV in the naturally conceived group. Similarly, the posterior resting phase amplitude measured 5.15 ± 5.28 μV (ART) and 6.78 ± 7.67 μV (natural conception). The total Glazer score differed significantly between groups, with ART pregnancies scoring 74.80 ± 14.82 and natural conception pregnancies scoring 67.57 ± 21.57 (P < 0.05). Univariate and multivariable logistic regression analyses confirmed that the total Glazer score during the early postpartum period was independently associated with conception mode (P < 0.05).
Conclusion: Women with twin pregnancies conceived via ART may exhibit marginally improved pelvic floor function during the early postpartum period (6– 8 weeks) compared to naturally conceived counterparts, potentially attributable to elevated estrogen levels associated with ART.
Keywords: twin pregnancies, assisted reproductive technology, ART, Glazer protocol, surface electromyography, sEMG