Relax, Mums-to-be. Electromagnetic radiation emitted by your mobiles phone is "unlikely" to be harming your babby's brain, new research shows.

Previous studies that raised concerns using mobiles during pregnancy might affect the language, communication and motor skills of newborns were experimental, inconsistent - and exclusively carried out using animals that weren't, well, humans. This new study, however, followed 45,000 human mothers and their children.