Harvard Men's Health Watch

Disorders of ejaculation

When men think about sexual woes, they usually put erectile dysfunction at the top of the list. That's understandable, since an estimated 30 million American men suffer from the inability to attain and maintain erections that are rigid enough for intercourse. Women, too, focus on their partner's erection as the key to sexual satisfaction. But there is more to a good sex life than an erection. In fact, success begins with sexual desire or libido and ends with ejaculation and orgasm.

Doctors have made great progress in treating erectile dysfunction. And new developments are improving life for some men plagued by abnormal ejaculations.

Normal ejaculations

Male sexuality begins with interest and desire. Next comes the state of arousal, which results from various combinations of erotic thoughts and sensory stimulation. The impulses of desire are transmitted from nerves in the pelvis to the arteries in the penis, which widen to admit more blood and produce a rigid erection.

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