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Zapping testicles with ultrasound can reduce sperm counts and might be used in the future as an inexpensive, reliable and reversible male contraceptive, according to US researchers.
The team led by Doctor James Tsuruta found that by rotating high frequency (3MHz) ultrasound around the testicles, they were able to cause depletion of germ cells throughout the testes, the reports said.
The procedure reduced the sperm count to zero, the researchers said.
Originally posted by UFO1414
Yikes! Just the thread title gives me the willies. I'll stick to the ol' fashioned way... pulling out.