large dosages of cyproterone and cyproterone acetate ( 100 mg/kg body weight ) generally decreased the ovulation number in gonadotrophin-injected mice , suggesting a role for androgen in preovulatory events that occur within the ripened follicle after the ovulatory stimulus ( hcg ) has been received .
C0010621
cyproterone
C0056855
cyproterone acetate