infertility

A 32-year-old Greek woman gave birth on Tuesday to a baby boy carrying DNA from three people. The child's birth is the result of a revolutionary technique which doctors say could help infertile couples around the world. The woman participated...

By Chris Barratt, Professor of Reproductive Medicine, University of Dundee This article is published in collaboration with The Conversation Sperm count in men from North America, Europe, Australia and New Zealand declined by 50-60% between 1973 and 2011, according to a...