Last Updated on November 17, 2025 by Ugurkan Demir

Pregnancy brings many changes to the body. It’s important for expectant mothers to know about the risks. One big risk is blood clots, which can be deadly if not caught early.

Pregnant women face a higher risk of blood clots. This is because the body naturally makes blood clot more during pregnancy. It does this to help prevent too much blood loss during labor and delivery.

At Liv Hospital, we stress the need to know about signs, causes, and risks of blood clots in pregnancy. Knowing these can save lives. It helps doctors act fast to protect both the mother and the baby.

Key Takeaways

• Pregnant women are at a higher risk of developing blood clots.
• Understanding the signs and symptoms is key for quick medical help.
• Blood clots can be a big danger to both mother and baby.
• Liv Hospital offers expert advice and care for pregnant women.
• Spotting blood clots early can be a lifesaver.

Fact 1: Pregnant Women Face a Fivefold Increased Risk of Blood Clots

Pregnancy brings many changes to a woman’s body. These changes help support the growing fetus and prepare for childbirth. One of these changes is an increase in blood clotting factors. This helps to minimize blood loss during delivery.

But, this natural adaptation can sometimes be risky. Pregnant women are at a higher risk of developing blood clots. This condition can be life-threatening if not managed properly. The risk is real, with pregnant women facing a fivefold increased risk of blood clots compared to non-pregnant women.

Understanding the Statistical Risk Increase

Studies show that pregnant women are at a higher risk of venous thromboembolism (VTE). VTE includes deep vein thrombosis (DVT) and pulmonary embolism (PE). The risk is higher because of the changes in the body during pregnancy.

The increased clotting factors in the blood and decreased blood flow in the lower extremities create perfect conditions for clotting. This is due to the growing uterus putting pressure on blood vessels in the pelvis.

Why Pregnancy Creates Perfect Conditions for Clotting

Pregnancy is a perfect storm for blood clots. The body naturally increases clotting factors to reduce blood loss during childbirth. The expanding uterus also puts pressure on blood vessels in the pelvis, reducing blood flow to the legs.

This combination of increased clotting factors and reduced blood flow can lead to blood clots. It’s important for pregnant women to be aware of these risks. They should also know the signs of blood clots to seek medical attention promptly.

Understanding these risks is the first step in managing them. By knowing that pregnancy can cause blood clots and being aware of the signs and symptoms, women can take proactive steps to minimize their risk. We will continue to explore more facts about blood clots during pregnancy in the following sections.

Fact 2: Physiological Changes That Cause Blood Clots While Pregnant

Blood clots during pregnancy often come from big changes in a woman’s body. These changes help the fetus grow and get ready for birth. But they also raise the chance of blood clots.

Increased Clotting Factors in Maternal Blood

When pregnant, the body makes more clotting factors. These proteins help blood clot. This is ready for the bleeding that might happen during childbirth. But it also makes pregnant women more likely to get blood clots. This heightened clotting ability is a key reason for the increased risk of blood clots during pregnancy.

Reduced Blood Flow in the Lower Extremities

The growing uterus can press on the veins in the legs and pelvis. This reduces blood flow in the lower parts of the body. Blood can pool in the legs, raising the risk of clots. Regular movement and exercise can help by improving blood flow.

Pressure from the Growing Uterus on Blood Vessels

The growing uterus also puts pressure on blood vessels, mainly in the pelvic area. This slows down blood flow and raises the risk of clots in deep veins. This is called deep vein thrombosis (DVT). Knowing about these changes helps pregnant women and their doctors lower the risk of blood clots.

Understanding these changes and their effects helps manage blood clot risks during pregnancy. It’s key for pregnant women to talk openly with their healthcare providers about any worries or symptoms.

Fact 3: Types of Blood Clots During Pregnancy: DVT and Pulmonary Embolism

Blood clots during pregnancy can take different forms. Deep vein thrombosis and pulmonary embolism are the biggest worries. It’s key for pregnant women to know the risks and get help fast.

Deep Vein Thrombosis: The Most Common Form

Deep vein thrombosis (DVT) is a blood clot in the deep veins, usually in the legs or arms. Signs include swelling, pain, and skin that’s warm, red, or discolored. Pregnant women face a higher risk because of clotting factors and uterus pressure on blood vessels.

Pulmonary Embolism: When Clots Travel to the Lungs

A pulmonary embolism (PE) happens when a blood clot, often from DVT, goes to the lungs. This is a serious condition that needs quick medical help. Symptoms include shortness of breath, chest pain, and coughing up blood. If you’re pregnant and have these signs, go to the emergency room.

Other Rare Types of Pregnancy-Related Clots

While DVT and PE are common, other rare clots can happen. These include clots in the brain and other parts of the body. Though rare, they can be serious and need quick doctor checks.

Knowing about different blood clots and their signs helps pregnant women stay safe. If you think you have a clot, call your doctor right away.

Fact 4: Recognizing Signs of Blood Clots During Pregnancy

It’s vital to know the signs of blood clots during pregnancy. This is to keep both mom and baby safe. Women are more likely to get blood clots during this time due to body changes.

Leg Pain and Swelling: Primary Indicators of DVT

Leg pain and swelling are common signs of blood clots in pregnancy. They often point to Deep Vein Thrombosis (DVT). Pregnant women should watch for:

• Pain or tenderness in the leg, which may feel like cramping or soreness
• Swelling in the affected leg
• Redness or discoloration of the skin
• Warmth or tenderness to the touch

If you notice these symptoms, see your healthcare provider right away.

Respiratory Symptoms: Warning Signs of Pulmonary Embolism

A blood clot can move to the lungs and cause a pulmonary embolism. Look out for:

1. Sudden shortness of breath
2. Chest pain that worsens with deep breathing
3. Coughing up blood
4. Rapid heart rate

These symptoms are serious and need quick medical help. If you have them, go to the emergency room fast.

When to Seek Immediate Medical Attention

Knowing when to get medical help is key. If you have severe symptoms, don’t wait:

• Severe leg pain or swelling
• Difficulty breathing
• Chest pain or pressure
• Coughing up blood

Spotting and treating blood clots early can save lives. Always talk to your healthcare provider if you’re worried about your symptoms.

Fact 5: The Timeline of Blood Clot Risk Throughout Pregnancy and Beyond

Blood clots are a worry from start to finish of pregnancy and after. Knowing how the risk changes is key. It helps us stay safe from the start of pregnancy to after it’s over.

First, Second, and Third Trimester Risks

Pregnancy makes blood clotting more likely. Increased clotting factors and venous compression play big roles. The risk grows as pregnancy goes on, but it’s different in each trimester.

In the first trimester, hormones and more blood start to raise the risk. The second and third trimesters see the uterus press on veins. This makes clots more likely.

Blood Clots During Labor: A Critical Period

Labor and delivery are very risky for blood clots. The strain and possible problems can increase the danger. Women who have C-sections face a bigger risk than those who don’t.

Doctors must watch women closely during labor. They need plans ready for clotting issues.

The Dangerous Three-Month Postpartum Window

The first three months after giving birth are very risky for blood clots. Changes in blood clotting factors and being stuck in bed during recovery add to the danger.

Women who had C-sections or faced problems during delivery are at even higher risk. New moms need to know the signs of blood clots. They should get help right away if they see any symptoms.

Understanding when blood clot risks are highest helps us take steps to prevent them. This way, we can help keep mothers healthy.

Fact 6: Key Risk Factors That Increase Blood Clot Susceptibility

There are several risk factors that can make a pregnant woman more likely to get blood clots. Knowing these factors is key to spotting and preventing blood clots early on.

Personal and Family History of Clotting

Having had a blood clot before or having family members who have can raise your risk. Women with such a history are more likely to get blood clots while pregnant.

Genetic Clotting Disorders

Genetic conditions like Factor V Leiden or antiphospholipid syndrome can greatly increase your risk. These conditions make blood clotting abnormal, raising the danger of dangerous clots.

Lifestyle and Health Factors

Lifestyle and health issues also matter. Obesity, immobility, and smoking can all up your risk. Pregnant women with these issues need extra watch from their doctors.

Delivery Method: C-Section vs. Vaginal Birth

The way you give birth can also affect your risk. Women who have a Cesarean section face a higher risk of blood clots than those who have a vaginal birth. This is because C-sections are surgeries that can cause more clotting.

Conclusion: Prevention and Treatment of Pregnancy Blood Clots

Understanding blood clots during pregnancy is key for prevention and treatment. We’ve looked at the risks, signs, and causes of these clots. It’s vital to be aware and watchful.

To prevent blood clots, stay active, follow your doctor’s advice, and might use blood thinners. Early action can stop most blood clots from happening or treat them.

Quick medical help is essential for managing blood clots. Knowing the signs lets pregnant women get help fast. This lowers the chance of serious problems.

We stress the importance of being aware and getting medical help quickly. This is to manage blood clot risks during and after pregnancy. It helps ensure the best health for both mom and baby.

FAQ

References

1. Elden, H., et al. (2023). Venous Thromboembolism in Pregnancy: Challenges and Management. Frontiers in Medicine, 10, 10364824.