Sperm have been made in the laboratory and used to father healthy baby mice in a pioneering move that could lead to infertility treatments.
The first clinical trial injecting foetal stem cells into babies still in the womb has been announced.
Sperm have been made in the laboratory and used to father healthy baby mice in a pioneering move that could lead to infertility treatments.
The first clinical trial injecting foetal stem cells into babies still in the womb has been announced.