How to Be Sure That a Baby Is Getting Enough Milk? Which are the commons signs indicating that an infant is getting enough milk? What to do if baby is not getting enough of milk? Shirin replied. You can look for the number of wet diapers and stools passed by baby to confirm that baby is sucking enough of milk from mother' s milk. These are common signs to look for if you want to find out the amount of milk sucked by baby. Pooja replied. This is a very important issue and very important to make sure that baby is getting enough milk or not. If baby is not able to suck enough of milk from mother' s breast it is necessary to consult doctor as this is a matter of baby' s health.