OC19.05: Evaluating cut‐off values for progesterone, single hCG and hCG ratio to define pregnancy viability and location in women with a pregnancy of unknown location (PUL). (15th October 2018) - Bobdiwala, S.; Christodoulou, E.; Kyriacou, C.; Farren, J.; Mitchell‐Jones, N.; Ayim, F.; Chohan, B.; Abughazza, O.; Guruwadahyarhalli, B.; Al‐Memar, M.; Guha, S.; Vathanan, V.; et al.