![A pregnant woman undergoes an ultrasound](https://cdn.mos.cms.futurecdn.net/kw2QiQSZriFM2nyzroFaoN-320-80.jpg)
IVF may raise risk of certain disorders in babies — and epigenetic 'signatures' in the placenta could explain why
Researchers identified genes that could explain why some assisted reproductive technologies, like IVF, carry a higher risk of growth and metabolic issues in offspring.