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Condition
What is a ureteropelvic junction obstruction? A ureteropelvic junction obstruction (UPJO) is a blockage of urine flow from the renal pelvis to the ureter. The renal pelvis is the part of the kidney that collects the urine made by the kidney and the …
Condition
Infertility—the inability to conceive a child after one year or more of unprotected sexual intercourse– affects about 15 percent of couples. Male infertility plays a role in about half these cases. The problem may be a result of low or poor quality sperm …
Condition
Testosterone is the “male” hormone; it is responsible for the changes that occur in boys during puberty including deepening of the voice, growth of body hair, enlargement of the penis, development of muscle mass, and production of sperm. Testosterone …