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Doctor insights on: Will An 18 Yo With Undescended Testes Be Sterile

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Will an 18 y.O. With undescended testes be sterile?

Will an 18 y.O. With undescended testes be sterile?

Depends: Will be sterile if both testes are undescended and located above the scrotum. Not sterile if one testis is down in the scrotum, however fertility may be impaired and is an other good reason to have the problem corrected as a baby, or as soon as it is recognized after babyhood. A single undescended test can influence the sperm production in the contralateral testis. ...Read more

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Dr. Michael Kleerekoper
41 doctors shared insights

Cryptorchidism (Definition)

The testis develops in the abdomen during fetal life and descends all the way to the scrotum on both sides. Given this long journey, it is not surprising that 3% don't make it at birth. When the testis on one side or the other is non palpable, it is said to be cryptorchid. There is a 5% chance that it did not develop normally or that is atrophied from a loss of blood supply ...Read more


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What to do if I have an undescended testes (both) and no facial hair yet?

What to do if I have an undescended testes (both) and no facial hair yet?

See endocrinologist: If teen-age or older. Urologist if younger. Both testes should be in the scrotum by age 6-months if subject was full-term at birth & by 1 year if born premature. No facial hair as an adult, suggests an endocrine problem which needs to be looked into & treated. ...Read more

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What do you suggest if I have an undescended testes (both) and no facial hair yet?

What do you suggest if I have an undescended testes (both) and no facial hair yet?

See endocrinologist: You likely have a hormonal problem, either from your pituitary gland or non functional or absent testes. Also consider seeing urologist in case UR interested in having testicular prostheses to normalize appearancnce of your genitalia. ...Read more

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What percentage of men with bilateral undescended testes end up with normal fertility?

Less than 30%: Percentage depends upon original position of undescended testes when corrected, i.e. Intra-abdominal udts are associated with more infertility than low inguinal udts. Associated abnormality such as poor attachment of epididymis has a worse prognosis. Age at correction is very significant, the younger the better. Both testes undescended beyond puberty can never be associated with normal fertility. ...Read more

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Is it a myth that if a male has undescended testes, he is incapable of impregnating a woman?

Is it a myth that if a male has undescended testes, he is incapable of impregnating a woman?

Yes: Fertility rates in men with a history of treated or untreated testicular maldescent are generally lower than men without such problems. However, with unilateral undescended testis, fertility is very close to normal. If both testes are affected, the fertility rate is considerably lower, but fertility can be increased with assisted reproductive techniques. ...Read more

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So i had undescended testes until i was about 11 years old and i don't know if its related but I have a small penis is there anything that i can do?

See Urologist timely: Without examining the patient, it would be hard to come up a sensible coherent dx. So, go to see urologist if possible or a regular doc for evaluation, although bilateral undescended testes may lead to testicular atrophy in both testes, affecting sperm production, but usually not testosterone secretion. So, it wouldn't be related with small penis. ...Read more

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Can you wait to treat undescended testes? If so, how long?

1 year: Approximately 10% of patients may see appreciable descent of undescended testes in the first year of life. Thereafter we tend to recommend surgical repair as they dont descend further by themselves. ...Read more

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Is it true that if a male has undescended testes, he is unable to impregnate a woman?

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. ...Read more

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Bilateral undescended testes. No pre-op exams, is that normal? How do I know there will not be an allergic reaction to anesthesia? Will he wake up?

Bilateral undescended testes.  No pre-op exams, is that normal?  How do I know there will not be an allergic reaction to anesthesia?  Will he wake up?

Trust ur doctors: Most of the time no need for pre-op exams, anesthesiologist would ask for if they think the case is warranted, otherwise, they wil do their assessment before the surgery, please ask the anesthesiologist any questions when he/she sees your son while doing the pre-op assessment, goodluck ...Read more

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