How is placenta previa treated?
Your doctor will do an ultrasound exam to diagnose placenta previa and pinpoint the placenta's location. You'll probably need to stay in the hospital until delivery. If the bleeding stops, which it usually does, your physician will continue to monitor both you and baby. If the bleeding does not stop, or if you go into labor, your doctor will probably suggest a c-section.
If you haven't yet gone into labor but your doctor thinks you may deliver before 34 weeks, she'll probably recommend treatment with corticosteroids. At 36 weeks, if you haven't delivered, she may also suggest a test called amniocentesis to see if your baby's lungs are mature. Provided they are, she will likely suggest a c-section to prevent serious uterine bleeding.
Some women learn during a routine ultrasound that they have a low-lying placenta. More than 90 percent of the time, placenta previa diagnosed in the second trimester corrects itself by term. You don't need to restrict your activities or undergo any treatment. Your doctor will probably recommend another ultrasound at about 28 weeks, though, to make sure the placenta has moved away from the cervix. In the unlikely event that it hasn't, she may recommend that you cut back on activities and rest in bed.
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