YO is one of the most accurate and innovative Home Male Fertility KIts! FDA approved, Developed by EXPERTS in male fertility, as accurate as over 97%, fast, affordable, and EASY TO USE Device and App - will guide the couple through their path to pregnancy. You may share your results (Video, and YO score) with your Physician (if needed...) We are true HOME MEDICINE PIONEERS, delivering a HIGHLY PROFESSIONAL home medical device that will make your life, and the path to bring new life, to be much more pleasant!