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Re: Femara
Even though Androgens are male hormones and Estrogens are female hormones chemically they are very similar and apparently both males and females make one from the other. In women there is a weak androgen called Androstenedione which is converted to a weak estrogen called Estrone. The enzyme that catylizes this conversion is called Aromatase and drugs like Femara and Arimidex inhibit this aromatase enzyme. The body changes Estrone (a weak estrogen) into more active estrogens like Estradiol.
Paul
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