Changes in androstenedione, dehydroepiandrosterone, testosterone, estradiol, and estrone over the menopausal transition

Concentrations of androstenedione (ng/dl) (panel a), estrone (pg/ml) (panel b), log of estradiol (pg/ml) (panel c), dehydroepiandrosterone (μg/dl) (panel d), testosterone (ng/dl) (panel e), and the ratio of estrone:androstenedione (panel f) by year from the final menstrual period. Red dashed lines indicate concentrations among White women and blue dashed lines indicate concentrations in African-Americans (AAs