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ethynodiol diacetate

noun eth·y·no·di·ol diacetate \ ˌeth-i-nō-ˈdī-ˌōl-, -ˌȯl- \

medical Definition of ethynodiol diacetate

: a synthetic progestogen C₂₄H₃₂O₄ used especially in birth control pills usually in combination with an estrogen

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