Dr Ong graduated from the National University of Singapore in 2006. As part of her training, she has worked in various hospitals in Singapore; mainly in the National University Hospital. She completed her specialist training in Obstetrics and Gynaecology, and obtained her postgraduate degrees from the Royal College of Obstetrics and Gynaecology, London in 2012 as well as the Masters of Medicine in Obstetrics and Gynaecology from the National University of Singapore in 2012. She is a fully qualified Obstetrician and Gynaecologist with the Specialist Accreditation Board of the Ministry of Health, Singapore. She is a Fellow of the Academy of Medicine, Singapore. She is also an accredited Colposcopist with the Society for Colposcopy & Cervical Pathology of Singapore.

Prior to her private practice, Dr Ong was an examiner for the MBBS degree held by the NUS Yong Loo Lin School of Medicine and a Clinical Lecturer for the NUS Yong Loo Lin School of Medicine. She was previously also a visiting consultant at Ng Teng Fong General Hospital.

Dr Ong has also published in both local and international peer-accredited journals, and has presented her research papers in various conferences in Singapore and overseas.

A proud mother of 3 children, she can relate to other young mothers and is a strong breastfeeding advocate, having breastfed all her children.

Dr. Clara Ong currently practises at SOG – Clara Ong Clinic for Women located at Gleneagles Medical Centre.

Dr. Ong is credentialed to also practise at Farrer Park Hospital, Mount Alvernia Hospital, Thomson Medical Centre, and all Parkway hospitals: Mount Elizabeth Hospital, Mount Elizabeth Novena Hospital, Parkway East Hospital and Gleneagles Hospital.