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Purpose Westernized eating habits have been associated with early-age menstruation, which increases the incidence of dysmenorrhea and premenstrual syndrome among adolescent girls. We therefore surveyed changes in menarche timing and the general menstrual characteristics of adolescent girls in Seoul, Korea. MethodsWe surveyed 538 teenage girls who visited our hospital between July and November 2007. Items explored included age at menarche, general menstrual... |
