So in 2006 around November I stumbled upon a study that said farmers were freezing cow sperm to sort x and y sperm. So I made a post in the determining Sex forum about why no one has tried this for humans. Thats when my dear friend Shawell replied. She is a biologist. She explained to me why humans couldn't do 'freezing sperm' but that they might be able to do something else. She then encouraged me to research more. Threw research I found studies explaining Sperm Spinning, Modified swim up and Swim up. Shawell and I talked and talked for hours and hours. We worked out a ruff draft of our theories and made a post. The very early days of EGS was born...