simultaneous administration through a tube for 14 days , daily , of mestranol ( 0.04 mg/kg ) and megestrol acetate ( 0.8 mg/kg ) gave no significant contraceptive effect , whereas the use of steroid preparations in the same doses in combination with antiadrenergic substances -- dopegit ( 100 mg/kg ) or pyrroxan ( 10 mg/kg ) prevented pregnancy effectively .
C0025506
mestranol
C0032961
pregnancy