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Postpartum stress urinary incontinence: a clinical study of 6,302 cases in Jiangsu Province
Xiao-Xia Chang1, Ling Ling2, Hong-Ju Gao3
1The State Key Laboratory of Reproductive Medicine, Department of Obstetrics and Gynecology, Women's Rehabilitation Medical Center, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Women and Children Health Hospital, Nanjing Medical University, China.
Objectives:
To investigate the prevalence and influencing factors of stress urinary incontinence (SUI) within 6-8 weeks postpartum in Jiangsu Province.
Material And Methods:
We designed a multi-center cross-sectional study involving seven hospitals in Jiangsu province, and enrolled women who underwent postpartum examination at 6-8 weeks in these hospitals between July 2019 and June 2021. According to the presence or absence of SUI, the enrolled patients were divided into two groups: the SUI group and the non-SUI group, respectively. We assessed the general health status, noted the details of delivery, and checked the pelvic floor electromyographic parameters of the postpartum women in both groups.
Results:
Among 6,302 cases of postpartum women in Jiangsu province, there were 1,579 cases of SUI, with a prevalence of 25.06%. The prevalence of SUI increased significantly with age, BMI, increasing parity, coexisting constipation, organ prolapse, and diastasis recti abdominis. Compared to the non-SUI group, the SUI group had a lower mean value of the pre-baseline rest phase, shorter rise and fall times of fast muscle contractions, and a lower mean value of the endurance contraction phase. Multiple regression analysis revealed associations with weight (especially overweight and obesity), coexisting organ prolapse, constipation, parity, gestational week of delivery, mode of delivery, and mean value of endurance contraction phase.
Conclusions:
The prevalence of postpartum stress urinary incontinence in Jiangsu Province was 25.06%, and was linked to being overweight, parity > 2, coexisting organ prolapse, constipation, and a decrease in the mean value of the endurance contraction phase of the electromyograph. In this report, we offer a theoretical basis for the effective prevention of postpartum SUI clinically.
