-- Test-tube babies have higher rates of birth defects, and doctors have long wondered: Is it because of certain fertility treatments or infertility ...
I whacked sperm the other day. In a scientific sort of way. I was in an embryology lab using a microscope to spot them and a skinny pipette to bop them on their heads. My job: to stop a few sperm in their tracks as if I were a real embryologist capturing one and cramming it into an egg.