8: Types of Estrogen Flashcards
Name the 3 estrogens.
- Estradiol (E2)
- Estriol (E3)
- Estrone (E1)
T/F Estradiol (E2) is no longer produced in menopause.
False. It is present in low amounts in the postmenopausal years following peripheral conversion of androstenedione.
The weakest estrogen.
Estrone (E1)
The most potent estrogen.
Estradiol (E2)
Main estrogen produced during the reproductive years.
Estradiol (E2)
Primary estrogen in postmenopausal women, children, and men.
Estrone (E1)
Present in nonpregnant women in small amounts as a by-product of estradiol and estrone.
Estriol (E3)
Produced by metabolism of estradiol.
Estrone (E1)
Secreted by the placenta and synthesized from androgens produced by the fetus.
Estriol (E3)
Produced by adipose conversion of androstenedione secreted by the adrenals (95%) and ovaries (5%).
Estrone (E1)