Clearblue engage with a range of independent Healthcare Professionals to broaden our scientific and educational understanding, keep abreast of changing scientific and clinical trends and to have them critique our product-related activities. Our Advisory Board is made up of a range of fertility, pregnancy, contraception and sexual health experts selected for their range of experience.

Bill Ledger

Bill Ledger

University of New South Wales, Sydney, Australia

Bill Ledger is Professor and Head of School of Women’s and Children’s Health at the University of New South Wales in Sydney Australia. He is also Director of Research and development at IVF-Australia and a member of the NHMRC Committee on Ethics of ART. He has published over 150 peer reviewed papers and edited eleven books, mostly on infertility and its causes. He sits on the Editorial Board of several major journals including Fertility and Sterility, RBM Online and BJOG, and was a member of the UK Human Fertilisation and Embryology Authority before his move to Sydney in 2011. His research interests focus on effects of ageing on oocyte and embryo biology, cancer and fertility preservation and health economics of ART.

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Michael Thomas

University of Cincinnati College of Medicine, Cincinnati, USA

Michael A. Thomas, MD is Chief of the Division of Reproductive Endocrinology and Infertility at the University Of Cincinnati College Of Medicine, Cincinnati, Ohio. His previous roles include Director of the Center for Reproductive Health at the University of Cincinnati and Executive Vice Chairman of the Department of Obstetrics and Gynecology.

Dr Thomas gained his MD from the University Of Illinois College Of Medicine in 1984, and was a resident at Wayne State University in Detroit. Dr Thomas completed his fellowship in reproductive Endocrinology and Infertility at the University of Cincinnati, and is board certified in Obstetrics and Gynecology and Reproductive Endocrinology and Infertility. His research interests include Infertility, Endometriosis, PCOS, Stress and Reproductive Function, Reproductive Endocrinology, and Menopause. He is also a member of the Society of Reproductive Endocrinologists, Association for Reproductive Health Professionals, ASRM Patient Education Committee, and ASRM Contraception Special Interest Group.

Professor Thomas is nationally recognized as a leader in the field of assisted reproduction and has published extensively in this area including articles in Fertility and Sterility, the Journal of Assisted Reproduction and Genetics, the Journal of Clinical Endocrinology and Metabolism, and Menopause.

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Cecilia Bottomley

Chelsea and Westminster Hospital, London, UK

Cecilia Bottomley is a Consultant Gynaecologist at Chelsea and Westminster Hospital (since 2009) where she leads the Early Pregnancy Unit.

She initially trained at Trinity College Cambridge and Guy's and St Thomas' Hospitals. Her postgraduate training included a clinical fellowship in early pregnancy and emergency gynaecology. Cecilia's MD focused on the prediction of pregnancy loss using clinical and ultrasound markers. She has authored or co-authored over 30 peer reviewed papers in top impact Obstetrics and Gynaecology Journals and now regularly peer reviews for several journals.

For several years Cecilia has lectured nationally and internationally on Early Pregnancy and Emergency Gynaecology. She is a medical advisor to the Ectopic Pregnancy Trust and has held other positions including being member of the RCOG Clinical Studies Group. Cecilia was an elected member of the GMC (1998 to 2003). Currently Cecilia is Chair of the Scientific Committee for the Annual Scientific Meeting of the Association of Early Pregnancy Units. She is a Fellow of the Higher Education Academy.


Christian Gnoth

Green-IVF, Grevenbroich, Germany

Dr Gnoth is director of Gynaecological Endocrinology and Reproductive Medicine at Green-IVF in Grevenbroich, Germany and professor in obstetrics and gynaecology at the University of Cologne. Dr Gnoth is author of more than 50 scientific papers, 2 textbooks and several book chapters on infertility, periconceptional gynaecology, infertility treatment, especially reproductive endocrinology.

He is also a member of the board of trustees of the German IVF Register (DIR).


Emma Kirk

University of London, England, UK

Emma trained at St Georges Hospital, University of London. She is a Consultant in Obstetrics and Gynaecology at the Royal Free London, where she is the Lead for Early Pregnancy and Emergency Gynaecology. She has a special interest in Early Pregnancy and Gynaecological Ultrasound. She worked as a research fellow for many years and has published over 50 peer reviewed papers on early pregnancy topics.

She has written many book chapters and edited her own book on Early Pregnancy Ultrasound. Emma is Coordinator of the European Society of Human Reproduction and Embryology Special Interest Group in Early Pregnancy. She is on the board of the association of early pregnancy units (AEPU) and is a medical advisor to the ectopic pregnancy trust (EPT). She frequently lectures on different aspects of early pregnancy.


Nick Macklon

University of Southampton, England, UK

Professor Nick Macklon is Professor of Obstetrics and Gynaecology at the University of Southampton and the University of Copenhagen.

Nick Macklon trained in Edinburgh, and carried out his doctoral research in Glasgow before taking a Fellowship in Fetal Medicine in Rotterdam where he was subsequently appointed Senior Lecturer and Director of the Assisted Conception Unit. In 2005 he was appointed Professor of Periconceptional Medicine and Infertility at the Utrecht University Medical Centre, where he became Head of the Department of Reproductive Medicine and Gynaecology. In 2009 he was appointed to the Chair in Obstetrics and Gynaecology in Southampton, where he is also Scientific Director of the Complete Fertility Centre Southampton.

Professor Macklon has published more than 170 Pubmed cited articles in the fields of ovarian stimulation and endometrial receptivity.

In addition to contributing chapters to standard texts in the field, he has published three books, including the award winning IVF in the Medically Complicated Patient, and the Textbook of Periconceptional Medicine. External appointments include the Executive Committee of ESHRE, and Visiting Professor at the University of Adelaide.

Jill Shawe

Jill Shawe

University of Surrey, Guildford, UK

Jill Shawe is Professor of Maternal & Family Healthcare and Director of the Centre for Research in Nursing and Midwifery Education (CRNME) at the University of Surrey. She works clinically as a Reproductive Health Nurse and Midwife specialising in fertility awareness.

Professor Shawe has extensive experience in the field of primary care and women's health and in nursing and midwifery education and research. Her research interests include preconception and postnatal care and she is currently researching the issues of diabetes, weight management and pregnancy. She has been instrumental in forming a European Pre-pregnancy Research Collaboration to promote preconception and fertility awareness in Europe.

She is a member of the RCOG Sexual and Reproductive Health (SRH) Clinical Studies Group, and a member of the Advisory Group for the Commission of Contraception and Abortion Services in England.

James Walker

James Walker

St James University Hospital, Leeds, UK

James Walker is a Professor of Obstetrics and Gynaecology at St James's University Hospital.  He was past new Chair of the Confidential Enquiry into Maternal and Child Health, which publishes national and local reports on maternal, perinatal and child health. Professor Walker was also a Clinical Specialty Adviser for The National Patient Safety Agency. He is the immediate past Senior-Vice President of the RCOG.  He is currently on the Maternity Services Review Board. He has published extensively on his specialist subjects, which include pelvic pain, menopause, menorrhagia, miscarriage, pre-eclampsia and high‐risk obstetrics.


Sophia Webster

Royal Victoria Infirmary, Newcastle Upon Tyne, UK

Sophia is a consultant in Obstetrics and Gynaecology in Newcastle upon Tyne. Her special interests are medical education, high risk Obstetrics including multiple pregnancy and global health. She believes strongly in women being well informed, and at the centre of their reproductive health decisions. In 2013, she piloted a small aeroplane across sub-Saharan Africa to raise awareness of safer pregnancy and childbirth, and to teach health professionals life-saving labour ward skills, in a project named ‘Flight For Every Mother’ and sponsored by Clearblue.

Chris Wilkinson

Chris Wilkinson

Margaret Pyke Centre, London, UK

Chris Wilkinson is the Lead Consultant in Sexual and Reproductive Healthcare at the Margaret Pyke Centre, London. He is the President of the Faculty of Sexual & Reproductive Healthcare (FSRH) the leading national body that sets standards and awards qualifications in SRH in the UK, which has approximately 15,000 medical members.

Chris chaired the development of the NICE Guideline on Long Acting Reversible Contraception and was formerly the Lead for the London Sexual Health Programme and the Clinical Lead for the UK e-Learning for Heath, Sexual and Reproductive Healthcare Programme. Dr Wilkinson is a member of the UK Sexual and Reproductive Clinical Research Network and is closely involved in developing the research programme.