Bleeding during early pregnancy is common and occur in 20% – 40% of pregnancies. Most of pregnancies will end with a healthy baby.

Any bleeding during pregnancy should be investigated. Spotting is usually not worrisome.

Bleeding in early pregnancy causes:

1. Miscarriage, is the most common cause of bleeding. (Read more: Miscarriage).

2. Implementation period:
When the fertilized egg attaches itself to the uterus, usually happens during the time for menstrual period.
It Happens 6 – 12 days after conception, and can last for up to days until it stops on its own.
The bleeding can be light pink to dark brown.

3. Subchrionic Hematoma (collection of blood):
As the pregnancy progresses, a collection of blood (between the folds of the outer fetal membrane or between the uterus and placenta) accumulate.
Sometimes it is discovered during an early scan without any symptoms. Subchrionic Hematoma gradually disappears by itself in most cases.

The mother is also advised to avoid intercourse, exercising and standing for long time.

4. Cervical, vaginal, or uterine pathology.

5. After intercourse:
In this case, Sexual intercourse must be stopped for a while.

6. Molar pregnancy (trophoblastic disease):
Rare.
It is a growth of abnormal tissues in the uterus instead of an embryo, seen by ultrasound. It can also be associated with unusual high level of hCG.
Other symptoms are heavy vomiting, pelvic pressure or pain and vaginal discharge.

7. Ectopic pregnancy: happens in 2% of pregnancies. (Read more: Ectopic Pregnancy).