New research has discovered ultrasound waves can be used to improve the motility of sperm, with the breakthrough offering new hope for families around the world struggling to conceive. According to the study, out of Melbourne’s Monash University, using high-frequency ultrasound waves on sperm can boost their ability to swim by up to 266%. The university says about 30% of infertility comes down to low sperm motility, which means the sperm are not strong enough swimmers to make it through to the woman’s reproductive tract. Engineering researchers at Monash University have shown that 20 seconds o...