Under what circumstances should pregnant women receive heparin injections?

Dec 21, 2024 Source: Cainiu Health

Dr. Zhang Lu

Introduction

In general, pregnant women may need to take heparin, which could be related to conditions such as a history of recurrent miscarriage, improved placental blood flow, fetal growth restriction, anticoagulant therapy, or antiphospholipid syndrome. If any adverse symptoms occur, prompt medical attention is recommended. Pregnant women are advised to strictly follow medical instructions when using heparin, adhering to the prescribed dosage and administration method.

Generally, pregnant women may require heparin injections in situations such as a history of recurrent miscarriage, improving maternal-fetal interface blood flow, fetal growth restriction, anticoagulant therapy, or antiphospholipid syndrome. If any discomfort occurs, timely medical consultation is recommended. Detailed explanations are as follows:

1. History of Recurrent Miscarriage

Pregnant women with a history of recurrent miscarriage may have immune or coagulation dysfunction. Heparin can improve uteroplacental blood circulation, enhance embryo implantation and pregnancy success rates, reduce uterine ischemia and hypoxia, promote cellular metabolism, and thereby increase fetal survival rates.

2. Improving Maternal-Fetal Interface Blood Flow

During pregnancy, increased uterine artery blood flow resistance may affect fetal growth and development, leading to embryonic arrest or fetal growth restriction. Heparin can improve maternal-fetal interface blood flow, reduce uterine artery resistance, and promote normal fetal development.

3. Fetal Growth Restriction

Fetal growth restriction may be related to poor uteroplacental circulation. Heparin can improve placental perfusion and promote fetal growth and development.

4. Anticoagulant Therapy

During pregnancy, women may develop a hypercoagulable state, increasing the risk of thrombosis. As an anticoagulant, heparin can prevent thrombus formation and reduce the threat of hypercoagulability to maternal and fetal health.

5. Antiphospholipid Syndrome

Antiphospholipid syndrome is an autoimmune disorder associated with recurrent miscarriage and thrombosis. As an anticoagulant, heparin can reduce the risk of thrombosis and help protect maternal and fetal health.

Pregnant women are advised to strictly follow medical instructions when using heparin, adhering to the prescribed dosage and administration method. Regular prenatal checkups should also be conducted to monitor fetal growth and ensure maternal and fetal safety.

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