group i consisted of 138 patients who received premarin ( conjugated equine estrogen , ayerst ) in two different dosages ( 0.625 ; 1.25 mg ) and progestational agents such as neogest ( norgestrel , schering ) , duphaston ( dydrogesterone , duphar ) 5 mg and primolut n ( norethisterone , schering ) 5 mg , for a period ranging between 7 and 21 days .
C0699710
premarin
C0014938
conjugated