OC09.04: Assessing progesterone cut‐off levels in pregnancies classified as a pregnancy of unknown location using transvaginal ultrasonography. (15th October 2020) - Kyriacou, C.; Bobdiwala, S.; Doulgeraki, T.; Fourie, H.; Farren, J.; Mitchell‐Jones, N.; Ayim, F.; Chohan, B.; Guha, S.; Kirk, E.; Abhugazza, O.; Al‐Memar, M.; et al.