Infertility

Sperm are produced, stored, and delivered by the male reproductive system. The male reproductive system includes the testes, urethra, vas deferens, prostate gland, seminal vesicle, and penis

A vasectomy is a procedure to cause permanently sterility in a man by preventing the transport of sperm out of the testes.

Doctors have said that women over the age of 40 may have difficulty conceiving, but a new French study suggests men over the age of 40 are also less fertile, Reuters reports.

Embryo splits twice to bring family identical triplets, an extreme rarity

Men who talked more than 4 hours a day had lowest counts, study says

A sexy sway of the hips, long-believed to be a sign seduction from women, actually may mean back off, according to a new study.

Doctors have issued a stark warning to women choosing to delay pregnancy: Don't count on freezing eggs to offset a ticking biological clock just yet.

Australian woman seeks $332,000 to cover cost of raising extra child

Being underweight or obese results in fewer kids in adulthood, study finds