Rate My Professor Siobhan Quenby

Professor Siobhan Quenby is a Professor of Obstetrics in Warwick Medical School at the University of Warwick and Honorary Consultant at University Hospitals Coventry and Warwickshire. She holds degrees including B.Sc., MBBS, MD, and FRCOG. Clinically active as part of the obstetric team, she heads the recurrent miscarriage clinic and runs specialist clinics dedicated to implantation failure and preterm birth prevention. With over 30 years of experience in research into implantation and recurrent miscarriage, she has published more than 125 original articles and 22 chapters in academic books. Her research specializes in translational studies on recurrent miscarriage, implantation, preterm labour, dysfunctional labour, and obesity in pregnancy, developing new tests, prediction models, early-phase clinical trials, and treatments to understand and prevent pregnancy loss. She collaborates across disciplines including scientists, engineers, midwives, clinicians, mathematicians, and administrators.

Professor Quenby serves as Deputy Director of Tommy’s National Centre for Miscarriage Research and has co-created their Miscarriage Support Tool. She coordinates the ESHRE Special Interest Group in Early Pregnancy, chairs the RCOG Early Pregnancy Clinical Study Group, sits on the executive committee of the Association of Early Pregnancy Units, and is a member of the MHRA Expert Advisory Panel for Women’s Health. She has supervised 10 MD theses, 4 PhDs, and 3 MPhils, and externally examined over 30 theses in UK medical schools, Ireland, and the Netherlands. Key publications include 'Miscarriage matters: the epidemiological, physical, psychological, and economic impact of pregnancy loss' (The Lancet, 2021), 'Heparin for women with recurrent miscarriage and inherited thrombophilia (ALIFE2)' (The Lancet, 2023), 'Natural killer cells and pregnancy outcomes in women with recurrent miscarriage and infertility' (2011), and 'A Randomized Trial of Progesterone in Women with Bleeding in Early Pregnancy' (New England Journal of Medicine, 2019). She leads clinical trials such as ALIFE 2 and the Big Baby Trial. In 2025, she was awarded an MBE for services to obstetrics research, recognizing her as a world leader in miscarriage and preterm birth research with substantial media coverage.