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| Effects of Different Delivery Methods on the Risk of Postpartum Female Stress Urinary Incontinence and the Electrical Signal Value of Pelvic Floor Muscle Surface |
| XI Cui-ping, WANG Xi-mei |
| Department of Obstetrics, Affiliated Hospital of Yan'an University, Yan'an Shaanxi 716000 |
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Abstract 【Objective】To investigate the effects of different delivery methods on the risk of postpartum female stress urinary incontinence (SUI) and the surface electrical signal value of pelvic floor muscle. 【Methods】A total of 115 primiparas who underwent 42 days postpartum outpatient review in the obstetrics department of the Affiliated Hospital of Yan'an University from June 2019 to June 2020 were selected. They were divided into vaginal delivery group (n=63) and cesarean section group (n=52) according to the mode of delivery. The clinical data, the incidence of SUI, the electrical signal value of pelvic floor muscle surface, the activity of bladder neck and the angle of urethral rotation were compared between the two groups.【Results】There was no significant difference in maternal age, number of pregnancies, number of births, weight gain during pregnancy, neonatal gender and neonatal birth weight between the two groups (P>0.05). The incidence of SUI in postpartum women in the vaginal delivery group was 26.98% (17/63), which was significantly higher than 11.54% (6/52) in the cesarean section group (χ2=4.248,P=0.039). The maximum value of fast muscle, 10s slow muscle, 60s slow muscle and post resting value in the vaginal delivery group were lower than those in the cesarean section group (P<0.05), and the pre-resting value and fast muscle contraction time were higher than those in the cesarean section group (P<0.05), but there was no significant difference in fast muscle relaxation time between the vaginal delivery group and the cesarean section group (P>0.05). The bladder neck mobility and urethral rotation angle in the vaginal delivery group were higher than those in the cesarean section group (P<0.05). 【Conclusion】 Compared with cesarean section, the risk of SUI in women after vaginal delivery is higher, which affects the electrical signal on the surface of pelvic floor muscle and significantly increases the activity of bladder neck and urethral rotation angle. However, cesarean section can not completely avoid the occurrence of SUI in postpartum women. Cesarean section without medical indications is not recommended to prevent the occurrence of postpartum SUI.
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Received: 06 December 2021
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2022, Vol. 39 
