Baby 7+ lbs, mod to high polyhydramnios
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|Thu, 07-08-2010 - 10:11am|
With 5 more weeks till my actual due date, my doc yesterday said the baby's basically measuring "off the charts"-- first measurement said 7 lbs 8 oz, second said 7 lbs 6 oz. Even within the margin of error (which could mean being off either way), he's more than 7 lbs. What's more concerning to me is the moderate to high level of polyhydramnios (excess amniotic fluid).
I should know by this point in my pregnancy that using Google for info about any medical concerns can lead to great anxiety. On the one hand, that's how I found this group. On the other hand, it can lead a lot of worst case scenarios, which don't always come with an indication of prevalence. Poly can be a sign of a chromosomal or other medical issue in the baby or a medical problem in the mother (gestational diabetes). My risk for Down Syndrome came back pretty low (1 in 447), there were no signs of it at my 18+ week ultrasound, and my blood glucose screening in early May showed no sign of gestational diabetes. In 60-65 percent of cases, the cause of polyhydramnios is unknown. It only occurs in 2 percent of pregnancies, although I wonder if there's a genetic link because my sister had it with her son (they both came through fine, by the way).
What scared me the most was when I read polyhydramnios can potentially lead to placental abruption and, in even rarer cases, stillbirth. Back at the hospital later for an NST, one of the nurses said she's only seen placental abruptions twice in 4-5 years, and they didn't lead to stillbirth, and my doc said he's rarely encountered cases when it caused major complications. Frequently, it resolves itself or doesn't lead to major complications, and the baby turns out just fine. Still, I will be having twice weekly NSTs for the duration and brief weekly ultrasounds to check the fluid level, and I need to be on the lookout for warning signs. Poly can also case early labor, though with 5 weeks till my due date and the baby a good size already, the baby arriving a few weeks early wouldn't be the worst thing that could happen.
Another sizing ultrasound is scheduled for three weeks from now. Assuming he hasn't been born yet by then, if the baby's still measuring "off the charts" at that point, a c-section will likely be scheduled for the next week. So chances are very high his birth date will be before August 15.
Trying to hang in there and stay positive through these last weeks, but was hoping to not have so many questions surrounding the timing and method of my baby boy's arrival.