Prof. Chong’s subspecialties include cystocele mesh repair surgery, laparoscopic surgery, prolapse, incontinence and pelvic floor reconstruction surgery, surgery using the Tension-free Vaginal Tape sling procedure, and vaginal rejuvenation. He was also a pioneer in the use of the mesh in the treatment of severe utero-vaginal prolapse and first few in Asia to perform the Sling surgeries and Botox injections into the bladder for management of overactive bladder. Since his first sling surgery in 1998, he and his colleagues have successfully completed over 10,000 cases, with a success rate exceeding 90% with minimal complications and pain. He also trains gynaecologists, urogynaecologists, and urologists in these procedures across Asia.