A member asked:

How long does sperm remain viable (able to impregnate) in the male urethra after ejaculation? most places say minutes to a few hours, but i found one place that said up to 72 hours. can an expert please help?

3 doctors weighed in across 2 answers
Dr. Jay Park answered

The question should be how long sperm remain in urethra after ejaculation. Sperms are normally washed out while urinating. Sperms are occasionally found moving in urine specimen taken in early morning.

Answered 3/31/2023

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Do not read at 'places' - always ask your doc. Traces of sperms may remain in the urethra after ejaculation and are washed away on urination. So chances of them lasting 72hrs are 0. You have to understand that nothing in this world and medicine is absolute and 100%.

Answered 3/31/2023

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