Weighty issue
If you're breastfeeding, you may be wondering whether your baby's getting enough to eat because she may seem to be hungry all the time. She probably is, since she's digesting breast milk within a couple of hours of consuming it.
Some signs that your breastfed baby's getting enough milk: Your breasts are being emptied and feel softer after nursing, your baby has good color and firm skin that bounces right back if pinched (if you pinch a dehydrated baby, the skin will stay puckered briefly), your baby is growing in both length and weight, you can hear her swallowing while nursing (if the room is quiet), she's passing mustard-yellow stools or frequent dark stools, and she has at least five to six wet disposable diapers a day (or seven to eight cloth diapers).
Whether you're nursing or formula-feeding your newborn, keep in mind that all babies grow at different rates and that their rate of growth tends to slow down at certain times. In addition, if your baby was big at birth, she won't grow as quickly to move closer to her predestined size.
If your little one is hitting her developmental milestones pretty much on time, relating well to you, and looking otherwise happy and healthy, she's most likely doing fine. But if regular weight checks at the doctor's office indicate that your baby isn't developing at a healthy rate, she might not be eating well or might not be absorbing or using nutrients properly.