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Catherine Williamson, FMedSci, is Professor of Women’s Health at Kings College London and Honorary Consultant in Obstetric Medicine at Guy’s and St Thomas’ NHS Trust. She is a Fellow of the Academy of Medical Sciences and an NIHR Senior Investigator. Her research focus is on the endocrine signals that influence alterations in bile acid, lipid and glucose homeostasis in normal and pathological gestation. She also studies the maternal and fetal aetiology and outcomes of intrahepatic cholestasis of pregnancy (ICP) and gestational diabetes mellitus (GDM). She has led prospective national cohort studies of rare gestational disorders, including severe ICP, hyperemesis gravidarum, cirrhosis and endocrine tumours in pregnancy.

Professor Williamson also leads and collaborates on clinical trials to evaluate the effectiveness of established and new treatments for maternal metabolic diseases with the aim of improving outcomes in pregnancies complicated by ICP, GDM and hyperemesis gravidarum.