No doubt she had fallen pregnant and planned to accuse him of fathering the child.

But two years later, Mrs Sadler still hadn't fallen pregnant, so they both underwent tests at Walsgrave Hospital in Coventry. Doctors told them they couldn't find anything wrong.

The number of fetuses and newborns to die because of a condition some women develop while pregnant has fallen as doctors perfect their timing in inducing labor, a study found.