Bleeding in early pregnancy, usually before 20 weeks of the pregnancy,
is also called a "Threatened Abortion." Whenever there is some bleeding
early in pregnancy there is an increased risk of a miscarriage.
Whenever a pregnant woman experiences bleeding in pregnancy the first step is to make sure that the fetal heart beat is present, that the pregnancy is viable. In the presence of a viable pregnancy with a fetal heart beat seen the following are some reasons for a threatened abortion.
- Subchorionic hematoma
- Vanishing twin pregnancy
- Placenta covering the internal os
- Bleeding, degenerating fibroids
- Partial molar pregnancy
- Post removal of an intrauterine contraceptive device