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[nawr-eth-in-drohn] /nɔrˈɛθ ɪnˌdroʊn/

noun, Pharmacology.
an orally active progestin, C 2 0 H 2 6 O 2 , used as a progesterone, especially as an oral contraceptive in combination with an estrogen.

norethindrone nor·eth·in·drone (nôr-ěth’ĭn-drōn’)
A progestational agent with some estrogenic and androgenic activity that is used as a substitute for progesterone and, in combination with an estrogen, as an oral contraceptive.


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