You do not have ejaculated sperm, and there are no signs of blockage. You have an extremely low number of ejaculated sperm. You have tried other methods of sperm extraction that have failed. MicroTESE ...

A new article published in the Journal of Medical Ethics continues to defend the concept of sperm donation from dead men, in order to improve sperm quality, and quantity. This would go far in ...

A court has banned a man from donating any more of his sperm after he fathered at least 550 children in the Netherlands and other countries and misled prospective parents about the number of offspring ...