Placenta previa natural history, complications and prognosis
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Complications
- Risks to the mother include:
- Death
- Major bleeding (hemorrhage)
- Shock
- There is also an increased risk for infection, blood clots, and necessary blood transfusions.
- Prematurity (infant is less than 36 weeks gestation) causes most infant deaths in cases of placenta previa. The baby may lose blood if the placenta separates from the wall of the uterus during labor. The baby also can lose blood when the uterus is opened during a C-section delivery.
Prognosis
- Placenta previa is most often diagnosed before bleeding occurs. Careful monitoring of the mother and unborn baby can prevent many of the significant dangers.
- The biggest risk is that severe bleeding will require your baby to be delivered early, before major organs, such as the lungs, have developed.
- Most complications can be avoided by hospitalizing a mother who is having symptoms, and delivering by C-section.