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Levels of estradiol in premenopausal women are highly variable throughout the menstrual cycle and reference ranges widely vary from source to source. [62] Estradiol levels are minimal and according to most laboratories range from 20 to 80 pg/mL during the early to mid follicular phase (or the first week of the menstrual cycle, also known as ...
Mean integrated levels of circulating estradiol in premenopausal women across the whole menstrual cycle are in the range of 80 to 150 pg/mL, according to some sources. [16] [17] [18] In postmenopausal women, circulating levels of estradiol are below 15 pg/mL.
Mean estradiol levels during 1 to 8 mg/day oral estradiol therapy alone or in combination with 100 to 200 mg/day spironolactone in transgender women. [ 3 ] Percent change in estradiol (E2), estrone (E1), LH, and FSH levels over a 24-hour period following a single dose of 2 mg oral estradiol in women.
Estradiol (E2) is a medication and naturally occurring steroid hormone. [11] [12] [13] It is an estrogen and is used mainly in menopausal hormone therapy and to treat low sex hormone levels in women.
Trough estradiol levels and MADRS Tooltip Montgomery–Åsberg Depression Rating Scale scores with 1 mg sublingual micronized estradiol 3 to 8 times per day (3 to 8 mg/day total; mean 4.8 mg/day total) in women with postpartum depression. [8] Blood was drawn specifically in the mornings before the first dose of sublingual estradiol for the day. [8]
The four major naturally occurring estrogens in women are estrone (E1), estradiol (E2), estriol (E3), and estetrol (E4). Estradiol (E2) is the predominant estrogen during reproductive years both in terms of absolute serum levels as well as in terms of estrogenic activity.
Testosterone levels in relation to estradiol levels (and corresponding estradiol dosages) during therapy with oral estradiol alone or in combination with an antiandrogen in transgender women. [92] Dashed purple line is upper limit for female/castrate range (~50 ng/dL) and dashed grey line is testosterone level in a comparison group of post ...
Likewise, other studies found that levels of estradiol and estrone are very similar after oral administration of roughly equimolar doses of estradiol (1.5 mg) and estradiol valerate (2 mg). [110] [111] [112] A study of high-dose oral estradiol valerate found levels of estradiol of about 250 pg/mL after a single 10-mg dose in three women. [107]