METHODS	Participants were randomly assigned in equal numbers to the following groups : ( 1 ) placebo ; ( 2 ) conjugated equine estrogen ( CEE ) , 0.625 mg/d ; ( 3 ) CEE , 0.625 mg/d plus cyclic medroxyprogesterone acetate ( MPA ) , 10 mg/d for 12 d/mo ; ( 4 ) CEE , 0.625 mg/d plus consecutive MPA , 2.5 mg/d ; or ( 5 ) CEE , 0.625 mg/d plus cyclic micronized progesterone ( MP ) , 200 mg/d for 12 d/mo .\