Khamis, 4 Ogos 2011

Placenta praevia

Saje2 as note kepada diri sendiri dan jugak utk share dgn kawan2....terlebey rajin wat auto publish..senang je copy paste kan....ok..jom kite baca apa itu placenta praevia?

*note: last week masa scan ultrasound, dpt tgk placenta/uri berada di bawah baby kat permukaan serviks.Tapi doktor kata since baru 5 bulan, no need to worry sebab uterus ada masa lagi utk expand, dan insya allah placenta tu akan beralih tempat ke atas sikit.....

What is 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.

What happens if I'm diagnosed with placenta previa?

It depends on how far along you are in pregnancy. Don't panic if your mid-pregnancy ultrasound shows that you have placenta previa. As your pregnancy progresses, your placenta is likely to "migrate" farther from your cervix and no longer be a problem.

(Since the placenta is implanted in the uterus, it doesn't actually move, but it can end up farther from your cervix as your uterus expands. Also, as the placenta itself grows, it's likely to grow toward the richer blood supply in the upper part of the uterus.)

If placenta previa is seen on your second-trimester ultrasound, you'll have a follow-up ultrasound early in your third trimester to recheck the location of your placenta. If you have any vaginal bleeding in the meantime, you'll have an ultrasound to find out what's going on.Only a small percentage of women who have a low-lying placenta or previa detected on an ultrasound before 20 weeks still have it when they deliver their baby. A placenta that completely covers the cervix is more likely to stay that way than one that's bordering it (marginal) or nearby (low-lying). Overall, placenta previa is present in up to 1 in 200 deliveries.

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