Sandbox:Rana

Causes

• The exact cause of a placental abruption may be hard to determine,But some factors may raise a woman's risk for it:

1. History of placental abruption in previous pregnancy
2. Long-term high blood pressure
3. Sudden high blood pressure in pregnant women who had normal blood pressure in the past
4. Heart disease
5. Smoking
6. drugs like Alcohol or cocaine use
7. twins pregnancy or more
8. Being older than 35

• Direct causes are rare, but include:

1. Injury to the belly area (abdomen) from a fall, hit to the abdomen, or automobile accident
2. Sudden loss of uterine volume (can occur with rapid loss of amniotic fluid or after a first twin is delivered)