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[Age at natural menopause in Japanese women]
Nihon Sanka Fujinka Gakkai Zasshi
|September 1, 1995
Abstract
Objective:
To determine the age at natural menopause in Japanese women.
Design:
Cross-sectional and retrospective study.
Subjects:
Two thousand two hundred twenty one women attending gynecological clinics between the ages of 35 and 59 who were born between April, 1929 and March, 1953.
Main Outcome Measures:
Age of menopause estimated by the rate of the presence of menses at each age, calculated by probit transformation and by reference to the patient's memory.
Results:
The median age of menopause based on a cross-sectional study was 50.54, and based on patient's memory is 49.47 +/- 3.53 (SD). The presence of fibroma uteri significantly delays the age of menopause (Odds ratio = 9.41).