Following a water birth, a woman elects not to have oxytocics for the management of the third stage of labour. Thirty minutes later, she is brought to the consultant unit with a postpartum haemorrhage owing to an atonic uterus. If she had received standard oxytocic management for the third stage of labour, by what amount would she have reduced her risk of a postpartum haemorrhage? (MRCOG 1 2015)
