Source:Florida Atlantic University | Summary: Of the millions of sperm that enter the vagina, only about 10 make it to the egg, demonstrating how rigorous the natural sperm selection process really is. So how is it possible to select only the best sperm for assisted reproductive technologies like in vitro fertilization? That's what a researcher is aiming to do with a new device that can quickly, easily and cost effectively select the healthiest sperm without causing DNA damage.
"The competition is fierce and only the strongest survive the obstacle course within the female reproductive tract. Of the millions of sperm that enter the vagina, only about 10 or so make it to the oocyte or egg, demonstrating how rigorous the natural sperm selection process really is. So how is it possible to select only the best sperm for assisted reproductive technologies such as in vitro fertilization? That's what a researcher at Florida Atlantic University is aiming to do with his microfluidic technology for reproductive medicine.
Worldwide, nearly 48.5 million couples have been unable to have a child after trying for five years or more. While in vitro fertilization, intrauterine insemination, and intracytoplasmic sperm injection have been effective treatment options for infertile couples, only about one-third of these methods result in live births.
Male infertility accounts for about 30 to 50 percent of all infertility cases, and infertile men tend to have abnormal sperm characteristics such as low sperm concentration, poor sperm movement, abnormal shape and size, and high levels of damage to the DNA..."
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