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Related to estrone: estriol
an estrogen isolated from pregnancy urine, the human placenta, and palm kernel oil, and also prepared synthetically; used in estrogen replacement therapy for hypogonadism, ovariectomy, primary ovarian failure, atrophic vaginitis, vasomotor menopausal symptoms such as hot flashes, and vulvar atrophy, and in the treatment of dysfunctional uterine bleeding and advanced prostate cancer. Administered intramuscularly or intravaginally. See also conjugated estrogens and esterified estrogens.
A metabolite of 17β-estradiol, commonly found in urine, ovaries, and placenta; has considerably less biologic activity than the parent hormone.
An estrogenic hormone, C18H22O2, that is secreted by the ovaries and by fatty tissue. It is the main form of estrogen in postmenopausal women.
estroneE1 An estrogen with very low biologic activity that is the major source of estrogen in children and postmenopausal ♀ ↑ in pregnancy, postmenopausal, ↑ age, obesity, luteal phase of menstrual cycle ↓ in hypogonadism. See Androstendione.
A metabolite of 17β-estradiol, commonly found in urine, ovaries, and placenta, with considerably less biologic activity than the parent hormone.