Menopause is biochemically confirmed when amenorrhea lasts longer than one
year, estradiol is less than 74 pmol/l, and FSH is over 30 U/l.
Gow SM, Turner EL, Glasier A. Ann Clin Biochem 1994; 31: 509 - 28, if I am
not mistaken.
Maurits Pekelharing, PhD
Clinical Biochemist
Reinier de Graaf Groep
Delft, Netherlands.
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