Tag Archive for 'Male Contraception'

Male Contraception Moving Closer?

by Jason Stotts In a recent Scientific American article, they discuss two new discoveries regarding fertilization of eggs and human seminal activity. ┬áThe discoveries are that 1) eggs are surrounded by cells that produce progesterone and that 2) progesterone activates a molecular channel in human sperm called CatSper which floods the sperm with calcium, causing […]