How Big Will My Baby Be? So the better a doctor can predict birth weight, the easier the delivery may be. Most of the time, birth weight is predicted with ultrasound. Now researchers say a mathematic equation is just as good a predictor and can predict birth weight earlier than ultrasound for some newborns. How
How Big Is The Baby? By now your baby weighs a full half-ounce, with a crown-to-rump length of 2 to 21⁄4 inches: about the size of a lime. It’s hard to believe — especially from the outside, since you’re probably barely showing at this point — but your baby has more than doubled in size
Can My Fetus Grow Too Fast? Can my fetus grow too fast? Genetic factors and maternal conditions such as obesity or diabetes can cause fetal macrosomia. Rarely, a baby might have a medical condition that makes him or her grow faster and larger. Sometimes it’s unknown what causes a baby to be larger than average.