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hernia happens when
intestine, fat, or fluid pushes through a weak spot or
hole in your baby's stomach muscles. This causes a bulge near or in the belly
button, or navel. It may look like your child's belly button is swollen.
Many children have an umbilical hernia at birth. The hernia
usually isn't painful or dangerous, and it often closes on its own without
The ring of
muscle and other tissue that forms where blood vessels in the umbilical cord
enter a fetus's body is known as the umbilical ring. This ring usually closes
before the baby is born. If it doesn't close, tissue may bulge through the
opening, creating a hernia.
Experts don't know why the
hole sometimes doesn't close.
An umbilical hernia can usually be seen after the umbilical cord stump falls off, within a few weeks after birth. But some children don't get a hernia until they're a little older.
When a child has an umbilical hernia:
Umbilical hernias can vary in size. They are rarely bigger
than about 1 in. (2.5 cm)
across. Most children don't feel pain from the hernia.
Talk to your doctor if your child is
vomiting, has pain, or has a swollen belly.
usually can tell that a child has an umbilical hernia by how the belly looks.
If your child has a hernia, your doctor will check its size and shape and see
whether the hernia can be pushed back in.
The doctor will want to
check your child regularly to see if the hernia has begun to close. Be sure to bring your child in for these checkups.
Umbilical hernias usually close
on their own before a baby is 1 year old. If a hernia has not closed by the
time your child is 5 years old, your child probably will need surgery to close
You may want your child to have surgery before he or she
is age 5 if:
If your child has pain, a swollen belly, or other signs that a part of the intestine is trapped in the hernia (incarcerated hernia), surgery will be needed right away. This problem is very rare.
Surgery to repair the hernia usually is an outpatient procedure, which means that your child can go home the same day the surgery is done. Sometimes more surgery may be done to improve how the belly button looks (for instance, if the hernia was very large or there was a lot of extra skin).
Problems from umbilical hernia repair are rare. Your child's doctor can tell you what to expect and what to watch for. Be sure to go to all follow-up exams so the doctor can make sure your child is healing well.
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Learning about umbilical hernias:
Other Works Consulted
Cowles RA, Stolar CJH (2006). Abdominal wall defects and disorders of the umbilicus. In FD Burg et al., eds., Current Pediatric Therapy, 18th ed., pp. 260–263. Philadelphia: Saunders.
Aiken JJ (2011). Inguinal and other hernias. In CD Rudolph et al., eds., Rudolph’s Pediatrics, 22nd ed., pp. 1429–1432. New York: McGraw-Hill.
Brandt ML (2008). Pediatric hernias. Surgical Clinics of North America, 88(1): 27–43.
ByHealthwise StaffPrimary Medical ReviewerJohn Pope, MD - PediatricsSpecialist Medical ReviewerBrad W. Warner, MD - Pediatric Surgery
Current as ofAugust 21, 2015
Current as of:
August 21, 2015
John Pope, MD - Pediatrics & Brad W. Warner, MD - Pediatric Surgery
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