Optimal starting time for induction of labour with misoprostol

Introduction: Nighttime deliveries may have a worse fetal outcome compared to daytime deliveries. Thus, the aim of this study was to evaluate the induction-to-delivery interval using misoprostol for induction of labour and to define an optimal starting time in order to receive most deliveries during the day. Materials and methods: A retrospective study collected data of 447 women being induced with misoprostol (vaginally every 6h) at term between 2007 and 2011. The induction-to-delivery interval was defined as the time from insertion of first misoprostol to time of delivery. The statistical distribution of the i…