After finishing his secondary school at Brighton College, UK, Dr. Chang started his undergraduate medical student days at Guy's Hospital Medical School, University of London in 1980. He graduated in 1985 and worked at various London teaching hospitals (Guys, Lewisham, Hammersmith, Charing Cross, King’s College and University College Hospital London for 8 years, between 1985 and 1993. In 1990, having successfully passed examinations in Obstetrics and Gynaecology, as well as Surgery, he was admitted as a Member of the Royal College of O & G, UK and Fellow of the Royal College of Surgeons, Glasgow, UK. Between 1991 and 1993, he did obstetric ultrasound research at University College Hospital, London, which led to his submission of a Doctorate (MD) thesis on "Serial Ultrasound Assessment of the Growth Restricted Fetus". He was awarded the MD by the University of London, in April 1994.
Dr. Chang has been working in Singapore since 1994 at the KK Women's Hospital from (1994-1998) and in Thomson Medical Centre since 1998. He was made a Consultant Obstetrician and Gynaecologist, Department of Maternal Fetal Medicine, KK Hospital in 1997 and was a Visiting Consultant to that Department from 1998 to 2006. From 1998 - 2020, he was the Head of the Fetal Assessment Unit (Centre for Prenatal Diagnosis and Obstetric Ultrasound) at Thomson Medical Centre. In 2005, Dr Chang spent time as an Associate Professor in Obstetrics and Gynaecology at the University of Auckland, New Zealand and worked as a Consultant in National Women's Health, Auckland City Hospital. Between 2007 and 2009, Dr Chang was the President of the College of Obstetricians and Gynaecologists, Singapore.
His interests are in the medical and surgical management of high risk pregnancies, ultrasound assessment of the at-risk fetus, invasive prenatal diagnostic procedures and gynaecological laparoscopic surgery. Dr Chang has admitting rights to 6 private hospitals in Singapore but does most of his obstetric deliveries and surgical operations at Thomson Medical Centre and Mt Elizabeth Novena Hospital. For a detailed CV of Dr Chang, please click
here.