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Prophylaxis of thrombosis in antithrombin III-deficient women during pregnancy and delivery
Prophylactic treatment of two asymptomatic antithrombin III (AT III) -deficient women with oral anticoagulants and heparin during pregnancy and after delivery appeared to be feasible. Oral anticoagulants caused no change in plasma AT III levels in either woman. A high dose of heparin intravenously in one of them caused a strong reduction in the AT III level which was corrected by infusion of AT III concentrate during delivery. A low dose of heparin subcutaneously in the other caused no significant change in plasma AT III levels. There is probably no need for AT III substitution during an uncomplicated pregnancy.
Prophylactic treatment of two asymptomatic antithrombin III (AT III) -deficient women with oral anticoagulants and heparin during pregnancy and after delivery appeared to be feasible. Oral anticoagulants caused no change in plasma AT III levels in either woman. A high dose of heparin intravenously in one of them caused a strong reduction in the AT III level which was corrected by infusion of AT III concentrate during delivery. A low dose of heparin subcutaneously in the other caused no significant change in plasma AT III levels. There is probably no need for AT III substitution during an uncomplicated pregnancy.