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. 2023 Oct;42(10):2331-2338.
doi: 10.1002/jum.16257. Epub 2023 May 31.

An Evaluation of the Effects of Gestational Weight Gain on the Early Postpartum Pelvic Floor Using Transperineal Ultrasound

Shitian Sun  1 , Hua Li  2 , Meiyan Liu  2 , Qingmei Shang  2 , Qi Tan  1 , Weihong Yin  2
Affiliations

An Evaluation of the Effects of Gestational Weight Gain on the Early Postpartum Pelvic Floor Using Transperineal Ultrasound

Shitian Sun et al. J Ultrasound Med. 2023 Oct.

Abstract

Objectives: We herein evaluated the effects of gestational weight gain (GWG) on postpartum pelvic floor function using transperineal ultrasound (TPUS).

Methods: We analyzed retrospectively the data from 228 primiparous women with singleton pregnancies who were evaluated for postpartum pelvic floor function between February 2022 and October 2022. According to the 2009 Institute of Medicine guidelines regarding GWG, subjects were separated into three groups: inadequate GWG, recommended GWG, and excessive GWG. All underwent TPUS 6-10 weeks postpartum to assess bladder neck descent between rest and Valsalva (BND), retrovesical angle at Valsalva (RVA), urethral rotation angle between rest and Valsalva (URA), the area of levator hiatus at Valsalva (LHA), and abnormal pelvic floor function. Univariate and multivariate regression analyses were applied to explore the association measures between GWG and the pelvic floor. A P-value <.05 was considered statistically significant.

Results: Of the 228 primiparous women, 113 (49.6%) showed excessive GWG. Univariate analysis revealed that there were no statistical differences in ultrasonic parameters of the pelvic floor among the three groups (P > .05). After adjusting for potential confounders and using the recommended GWG group as a reference group, inadequate GWG was significantly associated with BND ≥25 mm (OR = 0.36, 95% CI = 0.14-0.93), and excessive GWG was significantly associated with uterine prolapse (OR = 2.79, 95% CI = 1.13-6.92).

Conclusions: GWG was associated with the ultrasonic parameters of the female pelvic floor in the early postpartum period.

Keywords: early postpartum; gestational weight gain; pelvic biometry; primiparae; transperineal ultrasound.

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