Are We Ready to Edit the Fetal Genome? Fetal gene therapy sounds promising but, treating a disease after someone is born is tricky business. Therefore, the idea behind fetal gene therapy is to prevent diseases before someone is born. In a recent study, fetal gene therapy was shown to treat an illness in mice similar to Gaucher’s disease in humans. However, success in pre-clinical studies on animals doesn’t always guarantee succesful results in humans. Watch the video above to learn more!