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Anticoagulation in pregnancy complications.
1Department of Vascular Medicine, Academic Medical Center, Amsterdam, The Netherlands.
Hematology. American Society of Hematology. Education Program
|February 20, 2015
Summary
Women with thrombophilia face higher risks of pregnancy loss and preeclampsia. Aspirin and heparin show benefits for antiphospholipid syndrome but not unexplained miscarriage; their use in inherited thrombophilia remains debated.
Area of Science:
- Obstetrics and Gynecology
- Hematology
- Reproductive Medicine
Background:
- Thrombophilia, a condition increasing blood clot risk, is associated with adverse pregnancy outcomes.
- Acquired and inherited thrombophilias may elevate risks for recurrent pregnancy loss and severe preeclampsia.
Observation:
- Antiphospholipid syndrome guidelines recommend aspirin and heparin for recurrent miscarriage.
- Evidence for aspirin or low-molecular-weight heparin in unexplained recurrent miscarriage is lacking.
- Expert opinions vary on using aspirin and heparin for late pregnancy complications.
Findings:
- Anticoagulant therapy's efficacy in preventing recurrent miscarriage in inherited thrombophilia is controversial due to inconsistent trial results.
- Aspirin demonstrates a modest reduction in severe preeclampsia risk for high-risk women.
Implications:
- Current evidence supports aspirin and heparin for antiphospholipid syndrome-related pregnancy loss.
- Further research is needed to clarify the role of anticoagulation in inherited thrombophilia and severe pregnancy complications.
- Aspirin may be beneficial for preeclampsia prevention in select high-risk populations.
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