First attempts to laboratory procedure in which sperm and egg are fertilized outside the body are originally introduced by Patrick Steptoe and Robert Edwards in the 1973. With the main reason to treat female infertility caused by damaged or blocked fallopian tubes. This important breakthrough supposed to provide a large number of women increase their chances for pregnancy.
In 1976 Edwards and Steptoe start working with an infertile couple Lesley and John Brown. Lesley faced complications of blocked fallopian tubes. On 10 November 1977, She underwent a procedure, nowadays known as IVF (in vitro fertilization). On 25 July 1978 was born world's first baby by IVF procedure Louise Brown, in Oldham General Hospital in England.
Since the birth of Louise Brown, IVF has been a mostly medical treatment for infertility. Hundreds of thousands children around the world have been born through this procedure, in some cases with donor eggs and sperm.