It may be possible to one day create an "unlimited" supply of human eggs to aid fertility treatment, US doctors say.
Researchers have shown it is possible to find stem cells in adult women which spontaneously produced new eggs in the laboratory.
Further experiments on mice showed such eggs could be fertilised, according to a study in the journal Nature Medicine.
http://www.bbc.co.uk/news/health-17152413
do you think we are going too far with all this interfering with nature ?