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An oestrogen similar to but less potent than oestradiol.‘Natural estrogen can also easily be divided into the three types of estrogen: estradiol, estrone, and estriol.’
- ‘There were increases in blood levels of the estrogens, estradiol and estrone, and a reduction of the protective HDL cholesterol.’
- ‘There was the hormone estrone, a form of the estrogen prescribed to help menopausal women.’
- ‘I assume that you're taking an oral dose of estriol or some combination of estriol, estrone, and estradiol.’
- ‘Much of the estradiol is converted into estrone and estriol, but these are only two of the best-known metabolites.’
1930s from oestrane(parent molecule of most oestrogens) + -one.
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