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What causes subchorionic hemorrhages?

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Quick Answer

As of 2015, the precise cause of subchorionic hemorrhages is not known, explains Healthline. Studies show that it may occur at the time when a fertilized egg implants on the uterus, separating slightly from it, states Baylor Scott & White Health Central Texas.

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Full Answer

A subchorionic hemorrhage is bleeding that occurs under one of the membranes that surround the embryo, explains WebMD. It is one of the common causes of bleeding in early pregnancy, with vaginal bleeding being the main symptom. Some women with a subchorionic hemmorrhage experience no symptoms. In most cases, the bleeding resolves on its own and women go on to have a healthy baby. However, the bleeding can sometimes be a sign of miscarriage.

Home-care guidelines for patients with a subchorionic hemorrhage include getting plenty of bed rest and avoiding heavy lifting, sexual intercourse, exercise and use of tampons, explains Baylor Scott & White Health Central Texas. Patients should seek immediate medical care if they experience severe cramps in their stomach, pelvis, abdomen and back; have an unexplained oral temperature that exceeds 100 degrees Fahrenheit; or pass large clots or tissue. Patients who experience extensive bleeding, become light-headed or weak, or have fainting episodes also require emergency medical evaluation.

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