norethynodrel

noun
nor·​ethyn·​o·​drel | \ˌnȯr-ə-ˈthīn-ō-ˌdrel, -ˈthin-, -ˈeth-in-\

Medical Definition of norethynodrel 

: a progesterone derivative C20H26O2 used in birth control pills and in the treatment of endometriosis and hypermenorrhea — see enovid

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