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Updated: Jan 7, 2026

Anogenital Distance and Perineal Measurements of the Pelvic Organ Prolapse POP Quantification System

Anogenital Distance and Perineal Measurements of the Pelvic Organ Prolapse POP Quantification System

Published on: September 20, 2018

Asociación entre el cambio de peso, el prolapso de órganos pélvicos y el cambio de peso durante el período perinatal

Guan Wang¹, Li Zhou², Rao Yu³

¹Department of Obstetrics,Tianjin Central Hospital of Gynecology Obstetrics, Tianjin, People's Republic of China.

International journal of women's health

|December 30, 2025

Abstracto

Background:

Pelvic organ prolapse (POP) is a global problem that severely affects a woman's quality of life. This study aimed to investigate the association between weight change during pregnancy and post-pregnancy POP.

Methods:

This study retrospectively enrolled 640 participants from Tianjin Central Hospital of Gynecology Obstetrics (institution 1, n = 363 cases) in northern China and First People's Hospital of Wanzhou District, Chongqing (institution 2, n = 277 cases) in southwestern China. The participants were grouped into POP-Q I-II (n = 288), POP-Q III-IV (n = 132), and non-POP groups (control group, n = 220). Pre-pregnancy body mass index (BMI), weight gain during pregnancy, and weight retention at 6 months postpartum were compared among the three groups after eliminating confounding factors.

Results:

No statistically significant differences were detected in the pre-pregnancy BMI in the POP-Q I-IV, POP-Q I-II, and POP-Q III-IV groups compared to the control group (P > 0.05). Significant statistical differences (P < 0.05) were observed in weight gain during pregnancy (≥14 kg) in the POP-Q I-IV, POP-Q I-II, and POP-Q III-IV groups compared with the control group. Significant statistical differences (P < 0.05) were observed in weight retention (≥5 kg) at 6 months postpartum among the POP-Q I-IV, POP-Q I-II, and POP-Q III-IV groups compared to the control group.

Conclusion:

Weight change during the perinatal period is the risk factor of postpartum POP. Specifically, a pre-pregnancy BMI < 23 kg/m² did not increase the risk of POP, whereas gestational weight gain ≥14 kg and weight retention ≥5 kg at 6 months postpartum significantly increased the risk of postpartum POP. Weight management programs during and after pregnancy may help reduce the risk of POP.

Palabras clave:

prolapso de órganos pélvicos período perinatal IMC pregestacional aumento de peso durante el embarazo retención de peso posparto

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