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Although it is possible to father a child if only one testicle is removed, some surgeons recommend banking sperm as a precaution in case the other testicle should develop a tumor at a later date.
When a man has a testicle removed by a doctor, he may opt to have an implant put into the scrotum in order to make it seem like he still has both testicles. The implant does nothing other than occupy the empty space where the removed testicle once resided.
It is very unlikely, though it is possible, for a man to only be born with one testicle. More commonly there were two testicles at birth and either one has been removed or that it is in the body but not located in the normal place. In conditions such as cryptorchidism, ectopic testicle, or retractile testicle, the testicle is present in the body, but may not be where you expect it. Testicles are not usually removed in the treatment of infection, but there are other reasons such as cancer, or testicular torsion where the testicle has to be removed for medical reasons. There are also a few conditions where a genetically male person will have rudimentary or non-functional testicles, such as Turner's syndrome or androgen insensitivity syndrome, but these conditions are fairly uncommon and the man would have several other physical attributes that would be abnormal than just the missing testicle. But in any particular man, if you think he only has one testicle is to ask him.
My brother had that surgery when he was an infant. He is 30 now, and has 3 children.
Had, past tense. Either it came down on it's own or with help. Either way, you only need one to produce sperm and both may be working. There may be other issues, but by itself, one undecended testicle should not stop you from producing sperm.
One testicle can still produce millions of sperm. Your sperm output is more likely to be affected by other things (tight or too warm clothing, diet, alcohol, drugs etc).
You and your first cousin's children are first cousins, once removed, to each other . You and your second cousin's children are second cousins, once removed, to each other . You and your third cousin's children are third cousins, once removed, to each other .
There is no surgery to reduce testicular size, at least in humans. They can be removed and replaced by smaller prosthetic testicles, but a wedge resection or other similar procedure is not done because it would make the testicle nonfunctional.
Many males have a testicle , which is larger then the other one.
Well, it depends there are two. Orchioplexy is the surgical procedure to move an undescended testicle into the scrotum and permanently fix it there. It is mainly done in children under the age of two, since the testicles are supposed to be permanently descended by the age of one. The other is orchiectomy, which is the surgical removal of the testicle. This must be done if the testicle has been in the abdomen too long since an undescended testicle can cause testicular cancer.
Your children and your first cousin are first cousins, once removed, to each other. Your children and your first cousin's children are second cousins to each other.