Doctors also refer to a swollen testicle as testicular enlargement. It occurs when the scrotum (the sac surrounding the testicles) grows abnormally large. Testicular swelling occurs when fluid starts ...

Dear Reader: When a baby boy is an embryo, the testicles form in the lower part of the abdomen (the pelvis). In the weeks before the baby is born, the testicles move down out of the pelvis into a sac ...

When Dr. Jonathan Reisman was in medical school, he unexpectedly found himself thinking about food while dissecting a human cadaver. During the dissection, his professor talked about which parts of ...

Testicular retraction is a condition in which a testicle descends normally into the scrotum, but can be pulled up with an involuntary muscle contraction into the groin. This condition is different ...

Possible causes of one testicle being bigger than the other include epididymitis, epididymal cysts, a hydrocele, testicular torsion, and more. Treatment depends on the cause. Self-exams can help ...

Most people with a penis have two testicles in their scrotum — but some only have one. This is known as monorchism. Monorchism can be the result of several things. Some people are simply born with ...

Possible causes of testicular lumps include cysts, varicoceles, testicular torsion, and more. In rare cases, lumps on testicles can be a sign of testicular cancer. The majority of lumps found in the ...

Injuries, infections, kidney stones, hernias, and testicular cancer can all cause testicular pain. Sometimes, pain in your balls may not have an obvious cause and will go away without treatment. Get ...