Changes and heterogeneity in premenstrual symptom burden after postpartum menstrual resumption: A cohort study in China.
OBJECTIVE Premenstrual symptoms may vary across reproductive transitions, but few studies have examined changes, heterogeneity, and correlates of premenstrual symptom burden from recalled prepregnancy to postpartum after menstrual resumption. METHODS Among 821 women recruited postpartum at two hospitals in China, 329...