My baby had a hard time learning to nurse and staying awake long enough to get a full feeding and thus had a hard time gaining weight at first. (babywisemom.com)
This was my first experience with breastfeeding and I was almost to the point of giving up as my son was having a hard time gaining weight at first. (newenglandmothersfirst.com)
Men build muscle faster due to their testosterone, and so women have a harder time gaining in the same way. (infinitelifefitness.com)