Many scientists of varying clinical backgrounds have described the phenomenon of spermaturia in animals, adolescents as well as fertile and infertile men. Nevertheless, research for an expert opinion on a law case in the field of forensic medicine revealed a lack of valid information about the longevity of spermatozoa in post-ejaculatory urine PEU of fertile men. Our goal was to measure the appearance of vivid sperm in PEU while considering the factor of time in order to predict a realistic interval, in which positive sperm findings might occur. Therefore ten healthy, young men donated their sperm for fertility analysis and a urine sample prior to and after ejaculation. The time intervals between ejaculation and the first micturition were preset ranging between 30 min and maximal 11h.
How Long Can Sperm Live After Intercourse Inside the Body? | childrenspicturebooks.info
What does this mean? It's been almost 10 yrs post-vasectomy. It can be disturbing when sperm persist following a vasectomy, and there is a concern for failure. Vasectomies rarely fail, with only 1 out of failing. According to the Americam Urologic Association, patients can be cleared following the procedure when either no sperm azoospermic are seen in an un-centrifuged ejaculate sample or when fewer than , non- motile sperm per mL are seen - which represent rare non-motile sperm.
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Longevity of spermatozoa in the post-ejaculatory urine of fertile men
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