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Hematology Management in Pregnancy

Anemia, thrombosis, and inherited disorders during pregnancy

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Hematoloji department. Book Appointment →

What is Hematology Management in Pregnancy?

Pregnancy is a hematologic stress test. Plasma volume expansion produces a physiologic dilutional anemia, while increased clotting factors and reduced fibrinolysis tilt the balance toward thrombosis. Iron deficiency anemia is by far the most common problem, affecting up to forty percent of pregnant patients, and is treated with oral iron or intravenous iron when oral therapy fails or anemia is severe.

Mild thrombocytopenia (platelets 100 to 150 K/microliter) in the third trimester is usually gestational thrombocytopenia and resolves after delivery without treatment. Lower counts or earlier onset raise concern for ITP, preeclampsia, HELLP syndrome, antiphospholipid syndrome, or thrombotic microangiopathy and need urgent evaluation.

Venous thromboembolism risk is highest postpartum. Patients with prior VTE, thrombophilia, or other risk factors receive low molecular weight heparin antepartum and for six weeks postpartum. Women with antiphospholipid syndrome receive low-dose aspirin from preconception and prophylactic-dose heparin during pregnancy. Warfarin and DOACs are contraindicated; warfarin can be resumed postpartum and is compatible with breastfeeding.

Symptoms

Fatigue and dyspnea on exertion (anemia)
Easy bruising or petechiae
Calf swelling or pain (deep vein thrombosis)
Sudden chest pain or breathlessness (pulmonary embolism)
Severe headache, visual changes (preeclampsia, HELLP)
Recurrent pregnancy loss (suggests antiphospholipid syndrome)

Risk Factors

Multiple pregnancy
Prior thromboembolism or thrombophilia
Antiphospholipid syndrome
Obesity, immobilization, or cesarean delivery
Underlying hematologic disease such as ITP or sickle cell

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Sudden leg swelling, chest pain, or shortness of breath
  • Heavy bruising or unusual mucosal bleeding
  • Severe headache or visual changes in late pregnancy
  • Known hematologic disease before conception

Treatment Methods

01
Oral iron first; intravenous iron if intolerant or severe anemia
02
Low molecular weight heparin for prophylaxis or treatment of VTE
03
Avoid warfarin and DOACs in pregnancy
04
Aspirin plus heparin for antiphospholipid syndrome
05
Steroids and IVIG for ITP when treatment is needed
06
Multidisciplinary care for sickle cell disease and thalassemia
07
Postpartum thromboprophylaxis when risk factors are present

Which Department to Visit?

You can visit our Hematoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About Hematoloji Department

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You can make an appointment with our specialists or contact us for your concerns.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.