期刊
BRITISH MEDICAL BULLETIN
卷 56, 期 3, 页码 643-649出版社
ROYAL SOC MEDICINE PRESS LTD
DOI: 10.1258/0007142001903445
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On average, the menopause occurs at the age of 50 years,(1) with 1% of women continuing to menstruate beyond the age of 60 years and 1% whose menopause occurs before 40 years. Arbitrarily, a menopause before the age of 40 years is defined as 'premature'.
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