Prolactin is a hormone that is secreted by both men and women. It is released by your pituitary gland, an organ responsible for regulating many of your body's functions, including reproduction. The pituitary gland is a small, bean-shaped organ located in the middle of your brain. Your pituitary gland releases prolactin on a daily basis, both in the morning and throughout the night. Certain activities like sexual intercourse and exercise also cause your pituitary gland to release prolactin Effects on Male Fertility Like prolactin infertility in women, prolactin can also affect male fertility....