How soon should I lose weight after having a baby?

Luisa Dillner: Seeing celebrities strutting round in skinny jeans just weeks after they've given birth can make new mothers anxious. But although it's important to lose that extra weight, it's best to do so gradually

Unsafe sex: why everyone’s at it

They pay their bills, hold down careers – so why are young people taking risks when it comes to sex? Rhiannon Lucy Cosslett talks to the women (and men) ditching contraception and trusting in luck