1 July 2012 Updated at 21:22 ET
Five millionth 'test tube baby'
James Gallagher
Health and science reporter,
BBC News, Istanbul
Louise Brown, pictured with her son, was the world's first test tube baby
Embryo test 'raises IVF success'
First test tube baby mother dies
IVF age limit 'should be raised'
Five million "test tube babies" have now been born around the world, according to research presented at a conference of fertility experts.
link-
http://www.bbc.co.uk/news/health-18649582