References
- Bonnar J. Venous thromboembolism and pregnancy. Clin Obstet Gynaecol 1981; 8: 455–473
- Greer I A, De Sweit M. Thrombosis prophylaxis in obstetrics and gynaecology. Br J Obstet Gynaecol 1993; 100: 37–40
- De Sweit M. Thromboembolic disease. “Current Obstetric Medicine.”, R V Lee, W M Barron, D B Cotton, D Coustan. Mosby, St Louis 1993; 163–182
- Howell R, Fidler J, Letsky E, De Swiet M. The risks of antenatal subcutaneous heparin prophylaxis: a controlled trial. Br J Obstet Gynecol 1983; 90: 1124–1128
- Consensus Conference. Prevention of venous thrombosis and pulmonary embolism. JAMA 1986; 256: 744–749
- Ginsberg J S, Hirsh J. Use of antithrombotic agents during pregnancy. Chest 1995; 108: 305S–311S
- Colvin B T, Barrowcliffe T S. The British Society for Haematology guidelines on the use and monitoring of heparin 1992, Second revision. J Clin Pathol 1993; 46: 97–103
- Maternal and Neonatal Haemostasis Working Party of the Haemostasis and Thrombosis Task. Guidelines on the prevention, investigation, and management of thrombosis associated with pregnancy. J Clin Pathol 1993; 46: 489–496
- Badaracco M A, Vessey M P. Recurrence of venous thromboembolic disease and use of oral contraceptives. BMJ 1974; 1: 215–217
- Tengborn L, Bergqvist D, Matzsch T, Bergqvist A, Hedner U. Recurrent thromboembolism in pregnancy and puerperium. Is there a need for thromboprophylaxis?. Am J Obstet Gynecol 1989; 160: 90–94
- Lao T T, De Sweit M, Letsky E, Walters B NJ. Prophylaxis of thromboembolism in pregnancy: an alternative. Br J Obstet Gynaecol 1985; 92: 202–206
- Ginsberg J S, Brill-Edwards P, Burrows R F, et al. Venous thrombosis during pregnancy: leg and trimester of presentation. Thromb Haemost 1992; 67: 519–520
- Dixon J E. Pregnancies complicated by previous thromboembolic disease. Br J Hosp Med (May) 1987; 449–452
- De Sweit M, Dorrington Ward P, Fidler J, et al. Prolonged heparin therapy in pregnancy causes bone demineralization. Br J Obstet Gynaecol 1983; 90: 1129–1134
- Ginsberg J S, Kowalchuk G, Hirsh J, Brill-Edwards P, Burrows R. Heparin therapy during pregnancy: risks to the fetus and mother. Arch Intern Med 1989; 149: 2233–2236
- Dahlman T C. Osteoporotic fractures and the recurrence of thromboembolism during pregnancy and the puerperium in 184 women undergoing thromboprophylaxis with heparin. Am J Obstet Gynecol 1993; 168: 1265–1270
- Dahlman T C, Sjoberg H E, Ringertz H. Bone mineral density during long-term prophylaxis with heparin in pregnancy. Am J Obstet Gynecol 1994; 170: 1315–1320
- Barbour L A, Kick S D, Steiner J F, et al. A prospective study of heparin-induced osteoporosis in pregnancy using bone densitometry. Am J Obstet Gynecol 1994; 170: 862–869
- Warkentin T E, Levine M N, Hirsh J, et al. Heparin-induced thrombocytopenia in patients treated with low molecular-weight heparin or unfractionated heparin. N Eng J Med 1995; 332: 1330–1335
- Anderson D R, Ginsberg J S, Burrows R, Brill-Edwards P. Subcutaneous heparin therapy during pregnancy: a need for concern at the time of delivery. Thromb Haemost 1991; 65: 248–250
- Iturbe-Alessio I, Fonseca Md C, Mutchinik O, Santos M A, Zajarias A, Salazar E. Risks of anticoagulant therapy in pregnant women with artificial heart valves. N Engl J Med 1987; 315: 1390–1393
- Brancazio L R, Roperti K A, Stierer R, Laifer S A. Pharmacokinetics and pharmacodynamics of subcutaneous heparin during the early third trimester of pregnancy. Am J Obstet Gynecol 1995; 173: 1240–1245
- Dahlman T C, Hellgren M SE, Blomback M. Thrombosis prophylaxis in pregnancy with use of subcutaneous heparin adjusted by monitoring heparin concentration in plasma. Am J Obstet Gynecol 1989; 161: 420–452
- Fejgin M D, Lourwood D L. Low molecular weight heparins and their use in obstetrics and gynecology. Obstet Gynecol Surv 1994; 49: 424–431