References
- Nelson-Piercy C. Hazards of heparin: Bleeding, allergy, heparin-induced thrombocytopenia, osteoporosis. In Greer I (ed). Thromboembolic Disease in Obstetrics and Gynaecology. Bailliere's Clinical Obstetrics & Gynaecology 1997; 11(3):489–509.
- Dahlman TC. Osteoporotic fractures and the recurrence of thromboembolism during pregnancy and the puerperium in 184 women undergoing thromboprophylaxis with heparin. Am J Obstet Gynecol 1993; 168:1265–70.
- Aarskog D, Aksnes L, Lehmann V. Low 1,25-dihydroxy vitamin D in heparin induced osteopenia. Lancet 1980; ii:650–1.
- Avioli LV. Heparin-induced osteopenia: An appraisal. Adv Exp Med Biol 1975; 52:375–87.
- Fuller K, Chambers TJ, Gallagher AC. Heparin augments osteoclast resorption-stimulating activity in serum. Journal of Cell Physiology 1991; 147:208–14.
- Simmons HA, Raisz LG. Effects of acid and basic fibroblast growth factor and heparin on resorption of cultured fetal rat long bones. J Bone Mineral Research 1991; 6:1301–5.
- Shaughnessy SG, Young E, Deschamps P, Hirsh J. The effects of low molecular weight and standard heparin on calcium loss from fetal rat calvaria. Blood 1995; 86:1368–73.
- Hurley MM, Kream BE, Raisz LG. Structural determinants of the capacity of heparin to inhibit collagen synthesis in 21-day fetal rat calvariae. J Bone Mineral Research 1990; 5:1127–33.
- Dahlman T, Sjoberg HE, Hellgren M, Bucht E. Calcium homeostasis in pregnancy during long-term heparin treatment. Br J Obstet Gynaecol 1992; 99:412–6.
- Zimran A, Shilo S, Fisher D, Bab I. Histomorphometric evaluation of reversible heparin-induced osteoporosis in pregnancy. Archives of Internal Medicine 1986; 146:386–8.
- Griffiths HT, Liu DT. Severe heparin osteoporosis in pregnancy. Postgrad Med J 1984; 60:424–5.
- Howell R, Fidler J, Letsky EA, de Swiet M. The risks of antenatal subcutaneous heparin prophylaxis: a controlled trial. Br J Obstet Gynaecol 1983; 90:1124–8.
- Dahlman T, Lindvall N, Hellgren M. Osteopenia in pregnancy during long-term heparin treatment: a radiological study post partum. Br J Obstet Gynaecol 1990; 97:221–8.
- de Swiet M, Dorrington Ward P, Fidler J et al. Prolonged heparin therapy in pregnancy causes bone demineralisation (heparin-induced osteopenia). Br J Obstet Gynaecol 1983; 90:1129–34.
- Dahlman T, Sjoberg HE, Ringertz H. Bone mineral density during long-term prophylaxis with heparin in pregnancy. Am J Obstet Gynecol 1994; 170:1315.
- Barbour LA, Kick SD, Steiner JF, et al. A prospective study of heparin-induced osteoporosis in pregnancy using bone densitometry. Am J Obstet Gyn, 1994; 170:862–9.
- Haram K, Thordarson H, Hervig T. Calcium homeostasis in pregnancy and lactation. Acta Obstet Gynecol Scand 1993; 72:509–13.
- Nelson-Piercy C. Low molecular weight heparin for obstetric thromboprophylaxis. Br J Obstet Gynaecol 1994; 101:6–8.
- Monreal M, Vinas L, Monreal L, et al. Heparin-related osteoporosis in rats. A comparative study between unfractionated heparin and a low molecular weight heparin. Haemostasis 1990; 20:204–7.
- Matzsch T, Bergquist D, Hedner U et al. Effects of low molecular weight heparin and unfragmented heparin on induction of osteoporosis in rats. Thrombosis Haemostasis 1990; 63:505–9.
- Murray WJ, Lindo VS, Kakkar VV, Melissari E. Long-term administration of heparin and heparin fractions and osteoporosis in experimental animals. Blood Coagulation and Fibrinolysis 1995; 6:113–8.
- Monreal M, Lafoz–E, Olive–A, del-Rio–L, Vedia C. Comparison of subcutaneous unfractionated heparin with a low molecular weight heparin (Fragmin) in patients with venous thromboembolism and contraindications to coumarin. Thrombosis Haemostasis 1994; 71:7–11.
- Melissari E, Parker CJ, Wilson NV, et al. Use of low molecular weight heparin in pregnancy. Thrombosis Haemostasis 1992; 68:652–6.
- Hunt BJ, Doughty H, Copplestone et al. Low molecular weight heparin (Fragmin) during pregnancy. Thrombosis Haemostasis 1997; 77:39–43.
- Nelson-Piercy C, Letsky EA, de Swiet M. Low Molecular Weight Heparin for Obstetric Thromboprophylaxis: experience of 69 pregnancies in 61 high risk women. Am J Obstet Gynecol, 1997; 176:1062–6.
- Shefras J, Farquharson RG. Bone density studies in pregnant women receiving heparin. Eur J Obstet Gynecol Reprod Biol 1996; 65:171–4.