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A member asked:
How many hours after ejaculation does residual sperm last in the urethra and how motile is it say 20 hrs later?
A doctor has provided 1 answer
Killed by urine: Sperm bathed in semen can live in urethra for many hours. However doubt that you lasted 20 hours without urinating. Thus residual semen containing sperm would have been flushed out or lysed (killed) by urine.
Answered 5/28/2021
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