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Is it IUGR if the baby has always been on the 10th centile?

(4 Posts)
DigestivesWithCheese Wed 07-Nov-12 19:40:13


I'm hoping someone out there can answer my question about interuterine growth restriction...

I am 28 weeks pregnant with twins & I went for a routine growth scan today. The sonographer seemed happy with everything. I see my consultant at the end of next week so she will look at the scan results then and I am booked in for another growth scan in 4 weeks.

I was looking at the print out in my notes when I got home and I saw that there is now a sheet of graphs in there that show the babies measurements on the centile charts. For esimated weights, the babies are both exactly on the 10th centile & I can see that they have measured there all along.

My previous babies have always measured around the 50th. I know twins are smaller later but I thought that thei growth was normal until 28 wks (I might be wrong in that though). Unfortunately I have been googling already blush & am worried because babies on or below the 10th centile are considered to have IUGR.

I have seen posts on twin boards where babies who measured around 12th\10th centile at 28 weeks have been carefully monitored, had Doppler scans to check the placentas etc. I have been wondering if I should call my consultant tomorrow in case something has been missed and my babies need to be checked on again. However, on the posts I have seen, the twins being monitored seemed to have dropped down to the 10th from being higher weights. Maybe because my babies have always measured smaller, it's not a problem & that's why the sonographer didn't mention it?

Hopefully I am fretting about nothing - any ideas?

Musomathsci Wed 07-Nov-12 19:43:13

I think you are probably fretting about nothing. Remember what the centiles actually mean - if your babies are on the 10th centile it means there will be 9% of babies smaller than them, all developing normally. Problems kick in when babies drop across centiles, so yes, dropping from higher centiles would be a worry, but diddy ones who are maintaining their trajectory are fine. Stop worrying!

unexpectediteminbaggingarea Wed 07-Nov-12 19:55:07

what muso said. if they are staying on the same centile then they are growing, which is what matters.

DigestivesWithCheese Wed 07-Nov-12 20:03:22

Thank you for both your replies! I think that makes sense really, doesn't it?. I also asked the sonographer: "Would you tell me if anything was wrong?" and she said: "Yes, I would tell you now". She certainly doesn't have any reason to lie. I left the apt feeling quite calm but then when I got home and looked at the notes, I managed to work myself into a state of pregnancy panic.

I have managed to calm myself down now, will stay away from google and will NOT phone my consultant's secretary at 9am tomorrow saying: "I think the babies are too small!!".

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