When is the best time to clamp a baby's umbilical cord? It is a controversial question that has perplexed maternity units for years but new evidence from Nottingham has changed practice at the hospital's busy labour ward. Mark Porter pays them a visit. Natural Cycles is a much promoted contraception app advertised as an alternative to more conventional methods. But the Advertising Standards Authority has ruled that claims of it being 'highly accurate' were misleading so Margaret McCartney expresses her concerns that the app doesn't live up to the hype. And once the initial enthusiasm of having a pedometer wears off do they keep people walking in the long term?