Protruding navel in newborns, also known as umbilical hernia, is an abnormal bulge caused by part of the abdominal mucosa, intestines or fluid coming out, passing through the abdominal wall muscles and protruding through the newborn's navel. Umbilical hernia is quite common and low birth weight and premature babies are more susceptible to umbilical hernia.

How much milk is enough for a 5-month-old baby? A mother often worries about whether her baby is getting enough milk. Insufficient milk intake can cause significant anxiety for mothers. Let's read the article below to learn more about the appropriate amount of milk for a 5-month-old baby.