Thrombophilia and early pregnancy loss.

Early pregnancy loss is the most common pregnancy complication. About 15% of pregnancies result in pregnancy loss and 1% of women experience recurrent miscarriage (more than three consecutive miscarriages). The influence of thrombophilia in pregnancy is a popular research topic in recurrent miscarriage. Both acquired and inherited thrombophilia are associated with a risk of pregnancy failure. Antiphospholipid syndrome is the only thrombophilia known to have a direct adverse effect on pregnancy. Historically, clinical research studying thrombophilia treatment in recurrent miscarriage has been of limited value owing to small participant numbers, poor study design and heterogeneity. The debate on the efficacy of aspirin and heparin has advanced with recently published randomised-controlled trials. Multi-centre collaboration is required to ascertain the effect of thrombophilia on early pregnancy loss and to establish an evidence-based treatment protocol.
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