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Men with abnormal or absent ejaculation due to neurologic impairment (e.g. spinal cord injury, multiple sclerosis) rather than problems with sperm production or sperm delivery can produce a semen sample by electroejaculation.

The procedure is normally carried out under general anesthesia. Waves of current, not exceeding 500 mA, are intermittently delivered through an electric probe, inserted in the rectum (1) close to the prostate (2). Those waves stimulate nearby nerve cells, which ultimately results in ejaculation.