Аннотация:MEICAL JOURAL DiscussionThe results show that enavid in the recommended contraceptive dosage of 5 mg. a day might produce definite changes in the blood-coagulation system in the direction of "hypercoagulability."The number of women treated is small, but the change in coagulabilit is marked and uniform.TREATED I Enavid 64 Cephatintime 2.