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Hematologic complications of pregnancy
1National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD, USA. Danielle.townsley@nih.gov
Pregnancy causes hematologic changes, complicating diagnosis and treatment of blood disorders like anemia and thrombocytopenia. This review guides management of these conditions, including venous thromboembolism (VTE), for improved maternal and infant outcomes.
Area of Science:
- Hematology
- Obstetrics
- Maternal-Fetal Medicine
Background:
- Pregnancy significantly alters hematologic indices, presenting diagnostic and therapeutic challenges due to limited evidence.
- Benign hematologic disorders are common during pregnancy, requiring careful management to ensure maternal and fetal well-being.
Purpose of the Study:
- To review the diagnosis and management of benign hematologic disorders encountered during pregnancy.
- To provide guidance for healthcare providers managing hematologic complications in pregnant patients.
Main Methods:
- Literature review focusing on diagnosis and treatment strategies for common hematologic issues in pregnancy.
- Discussion of specific conditions including anemia, thrombocytopenia, bleeding disorders, and venous thromboembolism (VTE).
Main Results:
- Iron deficiency anemia is the most frequent complication, typically managed with oral iron.
- Distinguishing gestational thrombocytopenia from other causes like immune thrombocytopenia (ITP) and HELLP syndrome is crucial.
- Neonatal alloimmune thrombocytopenia (NAIT) requires prompt recognition for severe neonatal bleeding.
- Inherited/acquired bleeding disorders and VTE pose significant risks, necessitating coagulation monitoring and preventive strategies.
Conclusions:
- Effective management of hematologic disorders during pregnancy requires accurate diagnosis and tailored treatment approaches.
- Addressing anemia, thrombocytopenia, bleeding risks, and VTE is essential for optimizing pregnancy outcomes.
- Further research is needed to expand the evidence base for managing hematologic conditions in pregnancy.
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A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
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