The effect of levenogesterol (Norplant) contraception on coagulation as measured by antithrombin-III levels.


PURPOSE To determine the effect of contraception given immediately postpartum on coagulation as measured by antithrombin III. STUDY DESIGN In this prospective study, parturients (n = 85) self selected three means of postpartum contraception: levenorgesterol implants, oral contraceptives, or a barrier method. RESULTS Baseline coagulation was assessed by… (More)