In-depth

Causes

Cushing syndrome

Cushing syndrome is caused by an excess of the hormone cortisol, originating from your adrenal glands or from corticosteroid medications you're taking for another illness.

Retrograde ejaculation

Retrograde ejaculation occurs when semen enters the bladder instead of emerging through the penis during orgasm. Find out about symptoms and treatment.

Complications

Erectile dysfunction

Erectile dysfunction (ED) can be the result of physical or psychological causes or both. Discover what causes ED and what treatments are available.

Tests and diagnosis

Genetic testing

Genetic testing is used to detect altered genes that may cause illness or disease. Although genetic testing can offer important health information, it has limitations.

Treatments and drugs

Delayed ejaculation

Delayed ejaculation can have physical or psychological causes. Discover what causes it and what treatments are available.

In vitro fertilization (IVF)

In vitro fertilization (IVF) — Overview covers definition, risks and results of this assisted reproductive technology.

Sep. 15, 2012