Many mothers wonder if the pain of childbirth is the same for boys and girls. To everyone's surprise, a recent scientific study has just discovered that it's less painful to give birth to a girl.

‘The reality of childbirth and how it is portrayed are so wildly different that I can’t help but feel frustrated on behalf of my patients.’Composite: The Guardian/Getty Images/Dr Jocelyn Fitzgerald A ...

If it feels like your rib cage is literally expanding during pregnancy, that's because it is — and it can hurt.