15 doctors weighed in:
Is it true that if a male has undescended testes, he is unable to impregnate a woman?
15 doctors weighed in

Dr. Frazier Frantz
Surgery - Pediatric
9 doctors agree
In brief: Possibly
Undescended testes, regardless of when they are surgically delivered into the scrotum, are abnormal testes and would not be expected to have "normal" spermatogenesis.
Consequently, the fertility associated with these is less than normal testes. When 1 testicle is undescended & the other is normal, no significant difference in overall fertility would be anticipated.

In brief: Possibly
Undescended testes, regardless of when they are surgically delivered into the scrotum, are abnormal testes and would not be expected to have "normal" spermatogenesis.
Consequently, the fertility associated with these is less than normal testes. When 1 testicle is undescended & the other is normal, no significant difference in overall fertility would be anticipated.
Dr. Frazier Frantz
Dr. Frazier Frantz
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Dr. George Chiang
Pediatrics - Urology
6 doctors agree
In brief: No
Depends on the other testicle and if the undescended testicle has been brought down by surgery at a young age.

In brief: No
Depends on the other testicle and if the undescended testicle has been brought down by surgery at a young age.
Dr. George Chiang
Dr. George Chiang
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Dr. George Klauber
Pediatrics - Urology
2 doctors agree
In brief: If both undescended
Bilateral testicular maldescent is associated with reduced fertility.
Men, in whom both testes remain undescended by puberty will be unable to impregnate. There is an outside chance of successfil intra-cytoplasmic sperm or spermatagium injection. Fertility rate for bilateral udt depends upon age of correction, & are reduced. Chances for men impregnating with history of one-sided udt are excellent.

In brief: If both undescended
Bilateral testicular maldescent is associated with reduced fertility.
Men, in whom both testes remain undescended by puberty will be unable to impregnate. There is an outside chance of successfil intra-cytoplasmic sperm or spermatagium injection. Fertility rate for bilateral udt depends upon age of correction, & are reduced. Chances for men impregnating with history of one-sided udt are excellent.
Dr. George Klauber
Dr. George Klauber
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