Abstract
Objective: To describe the situation of early stage of pelvic floor function and investigate the effect factors in postpartum women. Methods: A retrospective survey was conducted, and women who did regular examination and gave birth in Peking University People's Hospital and had an annual pelvic floor examination at 6-12 weeks after delivery from Sep. 2012 to Dec. 2017 were interviewed. General information and pelvic floor electrical physiological indexes were collected and analyzed. Results: Totally 5 143 puerpera were included in the study. The normal strength of type Ⅰ muscle was 52.40% (2 695/5 143) and the normal strength of type Ⅱ muscle was 52.69% (2 710/5 143). The abnormal degree of fatigue of type Ⅰ muscle was 55.84% (2 872/5 143) and the abnormal degree of fatigue of typeⅡmuscle was 27.34% (1 406/5 143). Pelvic floor dynamic pressure was (93±37) cmH(2)O (1 cmH(2)O=0.098 kPa). The incidence of stress urinary incontinence (SUI) was 23.49% (1 208/5 143) after delivery and it was as high as 57.58% (95/165) for women who had family history of pelvic floor dysfunction. Family history of pelvic floor dysfunction was the risk factor of the fatigue index of type Ⅰ and type Ⅱ muscle (P<0.05). The incidence of SUI was associated with vaginal delivery and age (≥30 years old) and family history of pelvic floor dysfunction (P<0.01). Conclusions: Pelvic floor electrical physiological indicators are reduced in about half of women in early postpartum stage. Age (≥30 years old) and vaginal delivery and family history of pelvic floor dysfunction are the risk factors.
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