Subchorinic hematoma

Live fetus with subchorionic hematoma

Subchorionic hematoma is collection of blood between chorion and uterus.
This is a common ultrasound finding in early pregnancy.
 The possible causes of subchorionic hematoma are   damage of the surrounding blood vessels by growing  gestational sac, during the process of abortion separation of gestational sac can lead to collection of blood etc.
Usually small subchorionic hematomas will get absorb soon.
But if pain abdomen, bleeding per vaginum etc occurs there is possibility of miscarriage and needs evaluation.
 Ultrasound should be repeated after two to three weeks, which can help in finding out whether hematoma got absorbed or not.