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Placenta previa

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Placenta previa
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Placenta previa

If you have placenta previa, it means that your placenta is lying unusually low in your uterus, next to or covering your cervix. The placenta is the pancake-shaped organ – normally located near the top of the uterus – that supplies your baby with nutrients through the umbilical cord.If you're found to have placenta previa early in pregnancy, it's not usually considered a problem. But if the placenta is still close to the cervix later in pregnancy, it can cause bleeding, which can lead to other complications and may mean that you'll need to deliver early. If you have placenta previa when it's time to deliver your baby, you'll need to have a cesarean section.


If the placenta covers the cervix completely, it's called a complete or total previa. If it's right on the border of the cervix, it's called a marginal previa. (You may also hear the term "partial previa," which refers to a placenta that covers part of the cervical opening once the cervix starts to dilate.) If the edge of the placenta is within two centimeters of the cervix but not bordering it, it's called a low-lying placenta.The location of your placenta will be checked during your mid-pregnancy ultrasound exam (usually done between 16 to 20 weeks) and again later if necessary.


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Placenta previa

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