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Insight Horizon Media

What is a Retroplacental hematoma?

Author

Christopher Anderson

Published Mar 12, 2026

What is a Retroplacental hematoma?

A retroplacental hematoma occurs when the placenta detaches over a large area and causes a hematoma between the uterine wall and placenta. Considered a medical emergency, it must be treated by Cesarean section. Placenta previa is a placenta that is considered to be implanted too low.

What is hematoma in pregnancy?

A subchorionic hematoma or hemorrhage is bleeding under one of the membranes (chorion) that surrounds the embryo inside the uterus. It is a common cause of bleeding in early pregnancy. The main symptom is vaginal bleeding. But some women don’t have symptoms.

How common is hematoma in pregnancy?

During pregnancy, a hematoma can form between the chorion, a membrane surrounding the embryo and the uterine wall. This is called chorionic hematoma and it occurs in about 3 percent of all pregnancies (3 in 100).

What causes a hematoma on the cervix?

Cervical hematomas are generally associated with trauma, surgery, and tumors. Although they are rare, they can be life-threatening because they put the patient at risk for great-vessel compression and upper airway obstruction.

Can hematoma cause miscarriage?

Conclusion. Ultrasonographically detected subchorionic hematoma increases the risk of miscarriage in patients with vaginal bleeding and threatened abortion during the first 20 weeks of gestation.

Can a hematoma affect pregnancy?

Ultrasonographically detected subchorionic hematoma increases the risk of miscarriage in patients with vaginal bleeding and threatened abortion during the first 20 weeks of gestation. However, it does not affect the pregnancy outcome measures of ongoing pregnancies.

How long does it take for a hematoma in uterus to heal?

Hematomas may resolve over 1-2 weeks. During this time, they may be seen as complex fluid collections with mixed echogenicity.

Which week is the highest risk of miscarriage?

The first trimester is associated with the highest risk for miscarriage. Most miscarriages occur in the first trimester before the 12th week of pregnancy. A miscarriage in the second trimester (between 13 and 19 weeks) happens in 1% to 5% of pregnancies.

Should I be worried about subchorionic hematoma?

Even though subchorionic bleeding doesn’t pose an immediate threat like other types of vaginal bleeding, you should still follow up with your doctor. Call your doctor whenever you experience any bleeding or spotting. If the cause is unknown, an ultrasound may be performed to rule out hematoma.

¿Cómo se comportan los hematomas retrocoriales?

Los hematomas retrocoriales se comportan de manera diferente dependiendo de cada embarazada. A grandes rasgos, existen 3 situaciones más habituales: Se absorbe poco a poco y desaparece.

¿Cuál es el tratamiento adecuado para el hematoma?

Sin embargo, si se produce un sangrado abundante acompañado de dolor abdominal, el médico valorará la amenaza de aborto y e indicará el tratamiento más adecuado, siendo el reposo la mejor herramienta para evitar que el hematoma continúe creciendo.

¿Qué es un hematoma uterino?

Los hematomas intrauterinos tienen forma de cuña o de medialuna entre el tejido coriónico (de la placenta) y la pared uterina. Ante una hemorragia, el ginecólogo realiza una ecografía para valorar el estado del feto y comprobar si la causa es un hematoma uterino.

¿Cuál es el riesgo de un hematoma?

Sin embargo, como medida de precaución, ante la aparición de un hematoma, el embarazo pasa a considerarse de riesgo y se tiene un mayor control sobre él para valorar su desarrollo. El pronóstico del hematoma dependerá tanto de la ubicación como del tamaño.