2. A placental edge partially covering the os (partial placenta previa)
3. The placenta approaching the border of the os (marginal placenta previa).
First two trimesters, adequate bed rest with foot end elevation. This helps the placenta to migrate up and hence reduce the complication.
Tocolytics and Corticosteroids in case of prematurity to prevent fetal distress.
If bleeding persists, and is heavy immediate surgery is indicated.
Delivery is planned for the 36-37th week if the fetal lung maturity is satisfactory.
Delivery needs to be planned with matched blood Transfusion and informed consent for caesarean Hysterectomy.