Blood Clots In The Uterus During Pregnancy

Blood Clots In The Uterus
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Pregnancy is a phase in which a woman is experiencing many emotional and physical changes. Therefore, it is very important to be very careful about your health and to monitor all changes. Excessive vaginal bleeding is abnormal and must be reported to the medical practitioner in order to prevent risks or complications. Scroll down read more about a blood clot in the uterus during pregnancy.

What Is a Blood Clot in the Uterus?

Every time the body is injured, such as a cut or wound, it is accompanied by bleeding, which leads to blood clots. Additionally, the placenta that divides or separates from the wall of the uterus contributes to blood bleeding and clotting-how the body responds to any injury. The placental is the main organ that facilitates the transport between the mother and baby of nutrients and oxygen. Any damage to it is a serious problem and must be dealt with immediately. Such blood clots can occur at any time of pregnancy–even during delivery.

Types of Blood Clots in the Uterus

Blood clots or hematomas are classified by their place of origin. There are two types of hematomas as far as the placenta is concerned: subchorionic hematoma and retro placental hematomas.

Blood clots found along the placenta edges are called subchorionic hematomas. Those occurring behind the placenta are known as retro placental hematomas. Another type of blood clot that occurs when blood vessels close to the umbilical cord are broken down is called amniotic hematoma and is usually found in front of the placenta. The doctor uses ultrasound to diagnose the type of blood clot. A subchorionic hematoma can be diagnosed in the first trimester itself.

Causes of Blood Clots in the Uterus During Pregnancy

Blood clots in the uterus occur when part of the placenta separates from the uterine wall during pregnancy. Doctors with little success are still investigating the reasons for the separation. However, physicians have been able to identify some risk factors.

  • Women who have sustained an abdominal injury as a result of a car accident or any other kind of mishap are at risk.
  • There is also a risk of mothers with high blood pressure as it can lead to severe bleeding.


Uterine clots are most often reabsorbed into the womb or stay in the body until delivery. There’s nothing to worry about as long as your ultrasounds show that the pregnancy is progressing fine.

Throughout pregnancy complications caused by blood clots can range from a heart attack to a miscarriage. Therefore, any excessive vaginal bleeding that occurs during pregnancy is very important to report. However, it was observed that due to a subchorionic hematoma, which is the most common type, there are very few chances of a miscarriage. Other reported complications include:

  • Premature delivery
  • The child’s slow growth rate
  • An increased heart rate of the baby during delivery
  • Increased hypertension in the mother caused by pregnancy


Most of these blood clots do not require treatment of any kind and are self-resolved. The doctor would recommend rest for the mother as a treatment. It is also advised to monitor the clot over a few weeks to evaluate the size and any additional complications. The clot may only be detected at times during delivery. The mother needs to follow up with ultrasounds in these cases to keep a check on the clot’s healing.

Excessive vaginal bleeding is an abnormal phenomenon during pregnancy and should be reported to your physician. It is important to remember that vaginal bleeding is not necessarily a cause of concern, but it can also be caused by factors like sex or hormonal change. The cause of bleeding and the location and size of the blood clot can be diagnosed by an ultrasound if there is one. The best way to avoid any complications to the mother and the baby is to monitor any bleeding or other irregular changes during pregnancy and keep the doctor informed.

Also Read:  Brown Discharge During Pregnancy