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A 27-year-old male asked:

I'm on testosterone therapy, i keep hearing that some of it converts to estrogen. does it convert to estrone or estrodiol or estriol or all three?

1 doctor answer • 2 doctors weighed in
Dr. Gregory Lewis
Dr. Gregory Lewisanswered
Urology 45 years experience
Estradiol: Estradiol is synthesized via aromatase from testosterone. Estrone is synthesized via aromatase from androstenedione. Estriol is synthesized from both Estradiol and estrone. Estradiol is ~10 times as potent as estrone and ~80 times as potent as estriol in its estrogenic effect. In some men on t replacement, too much t is converted to Estradiol and may require a drug like Arimidex (anastrozole) to block.
4.1k viewsReviewed >2 years ago
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Dr. Mohammed Parvez
Dr. Mohammed Parvez agrees1 doctor agrees

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Last updated Jun 25, 2014

Found in:

Female health›Testosterone

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