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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