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How much does undescended testicle affect fertility?

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Men with one undescended testicle can still have children, but their fertility is lower than normal by roughly half. If they have surgery to correct it, especially when younger, their fertility is about the same as if they never had a problem.

Without treatment, men with two undescended testicles will not likely be able to have children. But surgery to move both testicles down can greatly improve their fertility.

SOURCES:

Urology Care Foundation: “What Are Undescended Testicles (Cryptorchidism)?”

NHS: “Undescended Testicles.”

Johns Hopkins Medicine: “Undescended Testicle.”

The American Pediatric Surgical Association Family and Parent Resource Center: “Undescended Testis.”

Mayo Clinic: “Undescended Testicle.”

PubMed: “Undescended testicle: An update on fertility in cryptorchid men.”

Pittsburgh Children’s Hospital: “Undescended Testicle (Testis): Cryptorchidism.”

FamilyDoctor.org: “Undescended Testicles.”

Boston Children’s Hospital: “What Is an Undescended Testicle?”

Reviewed by Dan Brennan on November 10, 2018

SOURCES:

Urology Care Foundation: “What Are Undescended Testicles (Cryptorchidism)?”

NHS: “Undescended Testicles.”

Johns Hopkins Medicine: “Undescended Testicle.”

The American Pediatric Surgical Association Family and Parent Resource Center: “Undescended Testis.”

Mayo Clinic: “Undescended Testicle.”

PubMed: “Undescended testicle: An update on fertility in cryptorchid men.”

Pittsburgh Children’s Hospital: “Undescended Testicle (Testis): Cryptorchidism.”

FamilyDoctor.org: “Undescended Testicles.”

Boston Children’s Hospital: “What Is an Undescended Testicle?”

Reviewed by Dan Brennan on November 10, 2018

NEXT QUESTION:

How can surgery help a grown man with undescended testicle?

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