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Obstructive coronary artery disease

A heart disease in which a coronary artery is obstructed by 50 percent or more.


Clinically low sperm count, which amounts to fewer than 39 million sperm per ejaculation.


Inflammation of the testicle due to infection, often stemming from a sexually transmitted infection or untreated epididymitis.


A feeling of intense pleasure that happens during sexual climax.


A condition in which the body is unable to create new bone to keep up with old bone loss, leaving brittle, porous bones that are more prone to fractures.

Ovarian cyst

A fluid-filled sac that develops in or on the ovaries and is relatively common among women.

Ovarian reserve testing

A procedure that determines the number and quality of eggs in a woman’s ovaries.

Ovarian torsion

A rare but serious condition in which an ovary twists on the ligaments that support it, cutting off blood supply to the ovary and fallopian tube.


Two small, oval-shaped glands that produce eggs and the female sex hormones progesterone and estrogen.


The release of an egg from an ovary during the menstrual cycle.

Ovulation test

An over-the-counter at-home test that predicts ovulation by testing levels of luteinizing hormone that typically surge before ovulation.


A hormone released by the pituitary gland that can lead to feelings of relaxation and pleasure.