It is ethical for doctors to accept a treatment option parents want – providing it is good enough – rather than insisting on what they believe is the best possible treatment for the child.
Regulations, funding and public opinion around genetically enhancing future generations vary from country to country. Here's why China may be poised to be the pioneer.
The rise of personalised medicine, which is mainly based on genetic testing, needs adequate regulation so privacy rights aren't breached. That's only one of several issues that must be considered.