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Thrombocytopenia in pregnancy
Allyson M Pishko1, Ariela L Marshall1
1Department of Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.
Hematology. American Society of Hematology. Education Program
|December 9, 2022
Summary
Hematologists manage pregnancy-related thrombocytopenia by differentiating causes and recognizing hypertensive disorders. This review updates diagnosis and management strategies for low platelet counts during pregnancy.
Area of Science:
- Obstetrics and Gynecology
- Hematology
- Maternal-Fetal Medicine
Background:
- Thrombocytopenia in pregnancy requires hematologist consultation, particularly when non-pregnancy-specific causes are suspected or platelet counts are critically low for delivery.
- Understanding the severity and onset trimester aids in differential diagnosis of low platelet counts during gestation.
Approach:
- This review utilizes a case-based methodology to present current diagnostic and management strategies for thrombocytopenia occurring during pregnancy.
- It emphasizes distinguishing pregnancy-specific conditions like preeclampsia from thrombotic microangiopathies (TMAs).
Key Points:
- Hematologists must differentiate hypertensive disorders of pregnancy from TMAs such as thrombotic thrombocytopenic purpura (TTP) and complement-mediated TMA.
- Patients with chronic conditions like immune thrombocytopenia require counseling on medication safety during pregnancy.
- Management of refractory immune thrombocytopenia in pregnant patients needs further investigation.
Conclusions:
- Accurate diagnosis and timely management are crucial for optimizing outcomes in pregnant patients with thrombocytopenia.
- Further research is needed to address treatment gaps for chronic immune thrombocytopenia during pregnancy.
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