To date, however, threshold values for TUNEL are not as widely established as those for an alternative test of DNA damage, the more-technically demanding sperm chromatin structure assay.

Covering a variety of testing methods in detail, from manual and computer-assisted semen analysis to zona pellucida binding assays, and tests assessing sperm DNA damage such as the TUNEL assay.

Varicocele, a common medical condition, can lead to male infertility. Discover the role of DNA fragmentation in infertility.

Recent research indicates that semen can harbour high levels of bacteria that reduce the function, and fertility of individual sperm, suggesting it is crucial to test for and treat bacterial ...

A US woman is suing her parents' former fertility doctor after claiming her DNA test results showed he secretly used his own sperm to help conceive her. Kelli Rowlette sent a DNA sample to ...

A Dutch court has approved a request by families seeking DNA tests on the belongings of a late fertility clinic doctor accused of using his own sperm in dozens of cases. Jan Karbaat is suspected ...