I wouldn't worry I went to one appointment and my baby girl was measuring a week ahead and then I went to my next and she was a week behind. The bigger they get the more they take on their own growth schedule

@raethack, yes it happen today actually. im 26 weeks 2 days and they said my baby is measuring 25 weeks 6 days. which makes no sense at all

I should be measuring at 35 but measuring at 33/34. it's ok tho. its normal

Or no more space ..

Yes happened to me when I was 35 they told me the baby like 34 and after I went to get check again I was 36 and everything was okay . Sometime they can get wrong or the baby keep growing ..

mines been mesuring 34 for three weeks . cuz he isn't growing any more cuz he has no more space to grow