oh i know... and the guy that did this U/S did my last one last year with Annie... 4days before her before her birth... finding her to be 9lbs. and she was 10lb2.4oz at birth... so I know it can be off.... but i also know that my last 2 babies were over 9lbs...i am not too worried about size.. cause VBACed my 91/2pounder... he is worried cause this will be a VBA2C and he was already weary when we talked about it yeaterday... I was begging...LOL we'll be checking weight every 2 weeks now