Gemma was born 8lb 13 oz and fit oooo's for the first couple of weeks. Remember they do tend to lose a bit of weight in the first week. Also with your doc estimating the weight, they can be way off! Everyone told us Gemma was going to be at least 10lb, boy am I glad I didn't listen!Quite often they over estimate the babies weight. And with dates you can go either side of the 25th or the 1st. Full term is from 37 weeks onwards.