Menstrual and reproductive characteristics and age at natural menopause.

摘要: Data from women who enrolled between 1935 and 1939 in a long-term prospective study [in Minnesota] of menstrual reproductive health which cycles other events were recorded as they occurred analyzed to examine factors associated with age at natural menopause. Analysis was restricted 561 before 25 years data through least 44 years. Factors considered include cycle length pregnancy history parity menarche. (EXCERPT)