Queerism – Retrograde Ejaculation

noun: In the human male reproductive system, retrograde ejaculation occurs when semen, which would normally be ejaculated via the urethra, is redirected to the urinary bladder. Normally, the sphincter of the bladder contracts before ejaculation forcing the semen to exit via the urethra, the path of least pressure. When the bladder sphincter does not function properly, retrograde ejaculation may occur.
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