In a perimenopausal woman, what is the best way to diagnose menopause?
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In a perimenopausal woman, what is the best way to diagnose menopause? Evidence-Based Answer Approximately 6% of women 45 to 55 years old with normal periods and about 30% of those with menstrual irregularities but still ovulating will have a folliclestimulating hormone (FSH) level >22 IU/L. A vaginal pH >4.5 may be a reasonable proxy for an FSH >20 IU/L. So neither measurement is completely predictive of the final menstrual period. Sixty days of amenorrhea is thought to be more predictive.
Evidence Based Practice 18(1): 11-12