Women aged over 35 are sometimes offered genetic testing of their IVF embryos to rule out abnormalities. But it's expensive and doesn't increase their chance of a baby. In fact, it could reduce it.
How embryos develop, evolution and sexual pleasure all help explain why men have nipples. But ‘man boobs’ are a different story.
Problems in facial development can occur with the skull, face, blood vessels, muscles, jaws and teeth. But it's the hard palate forming the roof of your mouth that's most commonly affected.
A landmark study in the UK discovered the gene that allows cells to form into embryos. If Australian researchers attempted this they could go to jail for 15 years.
Two researchers are impressed with a pioneering study showing that it may be both safe and effective to edit out diseases in human embryos.
Most people don't know if they have a hidden extra organ. But they're surprisingly common and often harmless.
Taking the placenta as a case study, researchers are able to piece together how new organs evolve, by repurposing old tissues and using them to do new jobs.
Researchers at a fertility clinic in Athens appear to have reversed the menopause in a small group of women – but will the science stand up to scrutiny?