British scientist Robert Edwards has won the Nobel Prize for Medicine for his part in developing IVF ï¿½ or in-vitro fertilization. IVF is now a fairly common method of aiding conception ï¿½ but it's expensive. However there are efforts to make fertility treatment more accessible to those in the poorest regions of the world. Dr. Ian Cooke is one of the founders of the Low Cost IVF Foundation, which is based in Switzerland. Lisa Mullins talks with him.