92 A highly significant positive trend in age at natural menopause was reported in Swedish women born 1908–1930 with interviews in 2000–2002. 93 Based on two prospective cohort studies in nine European countries, data were collected on age at menopause (ie, the date of the final menstruation); FSH, luteinizing hormone, and estradiol concentrations confirmed self-reported menopausal status in a sub-cohort.
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