In a prospective study of 23 newborns with preauricular skin lesions, four (17 percent) had abnormal findings on brain-evoked response audiometry. 1 Another study of 178 newborns with isolated preauricular tags found that 23 (13 percent) had mild to moderate sensorineural hearing impairment.
Hunger is one of the most common reasons why your baby will cry (CKS 2014), especially if she's a newborn. The younger your baby is, the more likely it is that she's hungry. Your baby's stomach is small and can't hold very much. So it won't take long before it empties.
The most common cause in newborns is physiologic jaundice, which affects most newborns and is usually benign. However, there are many other causes of neonatal jaundice that can be more serious, and require further medical evaluation and intervention.