Is Multiple Birth Wards coming back?

The number of multiple births has almost doubled in the past 30 years – a rise attributed, in part, to changing lifestyles and the increased use of assisted reproduction techniques such as IVF. In this two part documentary filmed over eight months, we meet two sets of parents-to-be in London – Paul and Tracy, who conceived naturally, and Chris and Steph, who succeeded through IVF treatment after seven years of trying.