Introduction While many women report urinary incontinence (UI) during pregnancy, associations with pre-pregnancy urinary leakage remain under-explained. Methods We performed a multi-strand prospective cohort study with 860 nulliparous women recruited during pregnancy. Results Prevalence of any urinary leakage was 34.8% before and 38.7% during pregnancy. Prevalence of UI, leaking urine at least once per month, was 7.2% and 17.7% respectively. Mixed urinary incontinence (MUI) was reported by 59.7% of women before and 58.8% during pregnancy, stress urinary incontinence (SUI) by 22.6% and 37.2%, and urge urinary incontinence (UUI) by 17.7% and 4.0%, respectively. SUI accounted for half (50.0%), MUI for less than half (44.2%), and UUI for 5.8% of new- onset UI in pregnancy. Pre-pregnancy UI was significantly associated with childhood enuresis [adjusted odds ratio (AOR) 2.9, 95% confidence interval (CI) 1.5–5.6, p = 0.001) and a body mass index (BMI) ≥30 kg/m (AOR 4.2, 95% CI 1.9–9.4, p <0.001). Women aged ≥35 years (AOR 2.8, 95% CI 1.4–5.9, p = 0.005), women whose pre-pregnancy BMI was 25–29.99 kg/m (AOR 2.0, 95% CI 1.2–3.5, p = 0.01), and women who leaked urine less than once per month (AOR 2.6, 95% CI 1.6–4.1, p <0.005) were significantly more likely to
International Urogynecology Journal – Springer Journals
Published: Jan 23, 2018
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