F. Ayim

Triaging pregnancies of unknown location: the performance of protocols based on single serum progesterone or repeated serum hCG levels

Sharmistha Guha, F. Ayim, J. Ludlow et al. · Human Reproduction · 2014 · 51 citations · Full text

Triaging women with pregnancy of unknown location using two‐step protocol including M6 model: clinical implementation study

S. Bobdiwala, Evangelia Christodoulou, J. Farren et al. · Ultrasound in Obstetrics and Gynecology · 2019 · 43 citations · Full text

The clinical performance of the M4 decision support model to triage women with a pregnancy of unknown location as at low or high risk of complications

S. Bobdiwala, Sharmistha Guha, Ben Van Calster et al. · Human Reproduction · 2016 · 34 citations · Full text

External validation of models to predict the outcome of pregnancies of unknown location: a multicentre cohort study

Evangelia Christodoulou, S. Bobdiwala, C. Kyriacou et al. · BJOG An International Journal of Obstetrics & Gynaecology · 2020 · 29 citations · Full text

Evaluating cut‐off levels for progesterone, β human chorionic gonadotropin and β human chorionic gonadotropin ratio to exclude pregnancy viability in women with a pregnancy of unknown location: A prospective multicenter cohort study

S. Bobdiwala, C. Kyriacou, Evangelia Christodoulou et al. · Acta Obstetricia Et Gynecologica Scandinavica · 2021 · 17 citations · Full text