As a baby boy grows inside his mother's
womb, his testicles usually form inside his
abdomen. They move down into his scrotum
shortly before he is born. In some boys, the
move doesn't happen, and he is born with
undescended testicle(s). This is also called
An undescended testicle is painless. It is
more common in premature babies.
Sometimes the undescended testicle will
drop into the sac on its own. This usually
happens in the first 3-4 months of life.
What are the Risks?
ξ Testicles that are in the groin area
cannot move freely and are more
susceptible to injury.
ξ Boys with an undescended testicle
may have a slightly lower sperm
count. They are usually able to father
ξ Undescended testicles are slightly
more likely to develop testicular
cancer. Surgery may decrease the
ξ Testicles that don’t move into the
scrotum on their own need surgery.
This is called an orchiopexy.
Call the Pediatric Urology Clinic with
questions at (608) 263-6420.
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have any questions. If this information was not given to you as part of your care, please check with your doctor. This
is not medical advice. This is not to be used for diagnosis or treatment of any medical condition. Because each
person’s health needs are different, you should talk with your doctor or others on your health care team when using
this information. If you have an emergency, please call 911. Copyright © 5/2017 University of Wisconsin Hospitals
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