I shouldn't read into this ... should I?

I was going over my scan that I had done yesterday. Im 32 weeks & it was a growth scan.

At 13 weeks the ultrasound was pretty much spot on for the dates I had worked out. I said the 4/11, It said 3/11

at 18 weeks the scan said 28th of Oct, putting me a week ahead. BUT I requested my dates not be changed & kept at the 4th of Nov.

Now yesterday, the sonographer didn't say anything about it, but I have noticed that the measurements have put me as 34 weeks, EDD 18th Oct.

Now thats a big difference to the 4th of November!

I am actually measuring 3cm behind which I always do. But I can't get this 34 week thing out of me head! Should I be thinking I should be prepared in case things happen around the 18th or is more likely that I just have a bub who may be big.

Each bub has gotten bigger for me, not by much but still (7lb8, 8lb3, 8lb4) measurements putting me 2 weeks ahead seems a lot to me!

eta - also, I know they say the ultrasound weights etc can be out by alot, each time I have been told the size of the baby they were pretty spot on.

Fiona - does the report say exactly 34 weeks?? I type ultrasound reports and the dr i work for always says eg "34 weeks +/- 1 week". Sometimes, depending on the stage of gestation (the later it is the less easy it is to "predict") he says +/- at least 2 weeks.
unfortunately, as they say, because every baby is different it is hard to give a precise date and thats why they always say EDD.
the sonographer will usually do a work sheet and sometimes the head circumference will be at 32 weeks and the abdo circ at 34 weeks and teh femur length at 36 weeks (tall bubby that one!) and they just average it out to come up with the 34 weeks.
Anyway - if you are concerned - chat to your doctor and ask him/her all about it and i am sure they will put your mind at rest.

The further along you get FJ, the less accurate the estimated dates become.
i wouldn't worry yourself with any dates from your 18 week scan, they are not as accurate as either your period dates or an early scan.

You will notice on the images, different measurements that give different dates, for eg, LOF- length of femur will give one date. BPD- biparietal diameter will give another. A series of these measurements are taken and then an average due date is calculated. But you might have a baby with long legs, or a bigger head and this will change the estimated due date.

Like you say- i wouldn't read anything into it! How exciting, getting close! ;)

yep just says 34w+4d
the measurements say Abdo circ 35w
HC & Femur both 32 weeks
then there was another one that im not sure what it is, I think the initials were PD something, I will check in a sec, 37 weeks.
So yeah I am thinking the 34 weeks is an average for those dates but wow

eta BPD- biparietal diameter that one (what is that? ) was 37

Was it just PD.... i dont know...theonly one i can think of is bpd - bi parietal diameter - width of the foetuses head.

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theonly one i can think of is bpd - bi parietal diameter - width of the foetuses head.

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thats it

I had 8 scans during my pregnancy and the dates were all over the place. I gave birth closest to the very first date that was on the one at around 7 weeks. That was 3rd July. I calculated 1st July & gave birth 23rd June.

Didn't i say that FJ??? :p ................... ;)

I have been told that the earlier scans are more accurate. Bubs will come whenever he/she is ready thoguh. I would make sure you have the nursery ready, your bags packed earlier just in case!!! Good luck!

LOL FJ!!! Sorry, I remember last time with Isla you went over? I remember being late with you.

With Jovie my scan dates were 28th October and 15 October. She came on the 9th November.... :hug: probably what you didn't want to hear. But maybe be packed & ready earlier and not expect it mentally. Keep your mind set on the later dates so you don't live in frustration like last time.

No you shouldn't ;)

Early scans are accurate for dating, the further along you get the more genetics and the baby's individual traits come into play - making dating by measurements less accurate.

A lag of a couple of weeks either way is very common in late pregnancy...doesn't mean anything. Just keep going by your original dates.

Yes, Christy, Isla was 12 days over.

I am expecting to go past my due date seems Isla was over. It was just a bit of a shock to see the 18yh of Oct come up.

Do you think its fair to expect at least 8lb? thats what Isla was.

dont rely too much on the scan. it would have been more accurate earlier on. It depends who doing the measuring too.. its amazing how a centimetre in difference to the actual proper measurement can put u forward weeks.

just chill out hun. if anything it could mean ur bub is a litle bigger than average. no big deal.

mwah xoxox

The measurement that put things out in my later scans was the leg measurements. Everything else came in close to where I was due (say within a few days) but the legs were coming up way different (I can't remember exactly how different but it was scary). The sonographer said not to worry about it, it just meant that he would be very short. Sure enough when he was born short.

Maybe in your case it means bubs has a big head. Not that that's a nice thought. Ouch.

Glenn had a big head so Im not too concerned there. He was 8lb 3 with a 37cm head.

Im sure I can do atleast 38/39 no worries LOL.