s not normal, what is happening is your baby is latching shallow, then dragging your nipple
back into his mouth. The pain
is from your nipple
rubbing against the roof his mouth. Tickle your baby's upper lip with your nipple, wait until he opens wide and then bring him in quick and close. You can also shape your breast in the direction of his mouth to help him get a deeper latch. If you have cracks or scabs, they may need an antibiotic ointment.