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Why do muscles twitch when a person has an orgasm?
Feb 26, 2015

Dr. Nehme Raad Urology
In men, orgasm is usually accompanied by ejaculation. Ejaculation consists of sperm emission and expulsion. Sperm expulsion mandates multiple contractions of the muscles that surround the urethra.
Unless you are meaning something else, those contractions are the muscle twitches in the perineal region.
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Dr. Ismaël Maatouk Dermatology
Dr Nehme Raad answered your question!!
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