norelgestromin

noun
nor·el·ges·tro·min | \ˌnȯr-el-ˈjes-trə-mən \

Medical Definition of norelgestromin 

: a synthetic progestogen C21H29NO2 that is the primary active metabolite of norgestimate and is used in combination with ethinyl estradiol in a contraceptive transdermal patch — see ortho evra

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