Just imagine it. Seven kids and every one of them a boy. You'd give up trying for a girl wouldn't you?

Well not Andrew and Jodi McMahon. They wanted a daughter so badly they decided to have one more go.

But this time, there was no rolling the dice.

Andrew and Jodi headed overseas where it is legal to choose the sex of your baby.

Gender selection is banned in Australia and often condemned as a first step towards designer babies. But for the McMahons, it's nothing short of a miracle.