The world's first IVF puppies have been born after years of attempts, say scientists in the US.
The sperm of all 18-year-olds should be frozen for use in later life because of the risks attached with being an older father, a UK bioethicist argues.
The world's first IVF puppies have been born after years of attempts, say scientists in the US.
The sperm of all 18-year-olds should be frozen for use in later life because of the risks attached with being an older father, a UK bioethicist argues.