Patent ID: 7192956

Claim:
A method of inducing contraception comprising the step of delivering to a female of child-bearing age a composition comprising a compound of formula II in a regimen which involves delivering a pharmaceutically effective amount of one or more of a selective estrogen receptor modulator to said female, wherein formula II is: wherein: R 1′ is selected from the group consisting of methyl, ethyl, and trifluoromethyl; R 2′ is selected from the group consisting of methyl, ethyl, and trifluoromethyl; or R 1′ and R 2′ are joined to form a spirocyclic ring containing 3 to 7 carbon atoms; and R 3′ is C 1 to C 4 alkyl; or a pharmaceutically acceptable salt, tautomer, metabolite, or prodrug of formula II.