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Marian McGilligan, secretary


Mr William Dennes is a consultant obstetrician and sub-specialist in maternal and fetal medicine. He is a consultant at Queen Charlotte's & Chelsea Hospital, London, part of Imperial College Healthcare NHS Trust. He works both in the NHS and privately, looking after mothers at both Queen Charlotte's & Chelsea Hospital and the Lindo Wing at St Mary's Hospital. Mr Dennes is experienced in the management of women in pregnancy, and has a special interest in multiple pregnancies and high-risk obstetric cases. He is accredited as a sub-specialist in fetal and maternal medicine and is experienced in all aspects of antenatal ultrasound imaging (both conventional and 3D/4D). Mr Dennes is accredited with the Fetal Medicine Foundation and routinely carries out invasive prenatal diagnostic testing (amniocentesis and chorionic villous sling). He offers the recently introduced cell free DNA screening (the Harmony Test).

Mr Dennes graduated in London and subsequently went on to specialised training in obstetrics and gynaecology in London and the north west Thames region. Initially training at Hammersmith Hospital under Professor Winston, he returned to Hammersmith and Queen Charlotte's & Chelsea hospitals for further postgraduate research, completing his PhD thesis on the molecular mechanisms involved in preterm labour, with Professor Phillip Bennett. Following completion of training in obstetrics and gynaecology he underwent subspecialty training in maternal and fetal medicine at the Centre for Fetal Care at Queen Charlotte's & Chelsea Hospital, a nationally recognised fetal medicine centre, under Professor Nicholas Fisk.

Mr Dennes completed sub-specialty training in maternal and fetal medicine in 2005. He was appointed as a consultant obstetrician at King's College Hospital in London in 2006, with a specialist interest in fetal medicine, where he worked in the Harris Birthright Centre for Research with Professor Kypros Nicolaides. He returned to Queen Charlotte's & Chelsea Hospital in 2013.

Current membership(s) of professional, national and regional bodies:
Royal College of Obstetricians and Gynaecologists (RCOG)
British Association of Perinatal Medicine (BAPM)
British Maternal and Fetal Medicine Society (BMFMS)
Independent Doctors Forum (IDF)
Chelsea Clinical Society

MB BS Royal Free Hospital School of Medicine (University of London)
FRCOG Membership of the Royal College of Obstetricians and Gynaecologists, London
PhD Imperial College London


Multiple pregnancy, high risk obstetrics, fetal anaemia, prenatal diagnosis

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