Weight gain during pregnancy does not appear to increase the risk of urinary incontinence (UI) during pregnancy or postpartum, according to a study of 12,679 Norwegian women.

Weight gain from the start of pregnancy to six months postpartum is associated with an increased prevalence of UI six months after delivery, whereas weight loss after delivery is associated with decreased incidence and increased remission of UI six months postpartum, Stian Langeland Wesnes and colleagues reported online in the American Journal of Epidemiology.

UI risk decreased by 2.1% for each kilogram of weight lost from delivery to six months postpartum among subjects who had been incontinent during pregnancy.

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