Hormone-relevant sexual desire alterations in menopause is generally attributed much more so you can dropping testosterone account rather than reduced the hormone estrogen levels. step one , 6 Ahead of menopause, this new ovaries and you will adrenals produce throughout the fifty% from distributing testosterone to your kept 50% regarding the peripheral sales from precursors produced from the fresh ovary and the fresh adrenal gland. step one Immediately following menopause, peripheral transformation off androstenedione gets the big source of distributing testosterone, though there was differing amounts of lingering ovarian development. 8 The fresh new suggest circulating level of testosterone refuses gradually with expanding many years, in the place of proving a great precipitous slip from the menopause changeover; thus, account in women old forty years is about half of females inside their early 20s. 8 Very dispersing testosterone brought will gender hormones-joining globulin (SHBG) and you will albumin, making singular% so you’re able to dos% totally free and you can physiologically productive. Whenever SHBG production escalates the quantity of totally free testosterone decrease; this will be aren’t observed in aging females. Dehydroepiandrosterone (DHEA) and you will DHEA-sulfate levels slip linearly with age, hence next causes the newest decrease in testosterone. 8

It model try meant to echo intimate impulse for men and women; yet not, researchers recognized one to some ladies failed to feel all four phases of the stage

In women which undergo bilateral oophorectomy before sheer menopause, solution testosterone and estradiol levels drop off from the approximately fifty% and you may 80%, respectively. Czytaj dalej →