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Outcomes in women receiving low-molecular-weight heparin during pregnancy
Maria T De Sancho1, Sana Khalid, Paul J Christos
1Division of Hematology-Oncology, Department of Medicine, New York Presbyterian Hospital of Weill Cornell Medical College, New York, New York 10021, USA. mtd2002@med.cornell.edu
Abstract:
To assess the rate and type of maternal and infant complications among pregnant women receiving low-molecular-weight heparin (LMWH). Retrospective study of pregnant women on LMWH referred to two university hematology clinics from January 2001 to December 2010. We recorded the number of pregnancies, indication, dose and dose adjustments for LMWH, pregnancy outcomes (live births, maternal and infant complications) and side effects of LMWH. There were 89 pregnancies in 76 women. The most common indication for LMWH was a history of adverse outcome of pregnancy associated with thrombophilia. LMWH was adjusted in 75 and 45% of pregnancies in women on therapeutic and prophylactic doses, respectively. Live birth rate was 97%. There were 25 maternal and 11 infant complications. Side effects were minimal and included decreased bone mineral density and bleeding. LMWH use among pregnant women is associated with successful pregnancy outcomes. Although side effects were minimal, maternal and infant complications occurred in 28 and 12% of cases, respectively.
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