OP13.10: An innovative ultrasound technique for automatic and non‐invasive assessment of head‐perineum distance during labour. (15th October 2018) - Dall'Asta, A.; Verbeni, A.; Volpe, N.; Schera, G.; Lori, L.; Pisani, P.; Conversano, F.; Di Paola, M.; Ghi, T.