etonogestrel


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Related to etonogestrel: NuvaRing

etonogestrel

(ē′tō-nôr-jĕs′trəl, ĕt′ō-)
n.
A progestin, C22H28O2, used in contraceptives delivered through a subdermally implanted device and, in combination with estrogen, in contraceptives delivered by means of a ring placed within the vagina.