Women from every State and Territory in Australia have travelled to Adelaide to have their surgery performed by Dr Onuma.

Women have travelled to Australia from the United States of America, United Kingdom, China, Hong Kong, Macau, India, Saudi Arabia and New Zealand to have their surgery performed by Dr Onuma.

Dr Onuma has lectured nationally and internationally on issues related to consent to treatment in the practice of medicine, labial reconstructive surgery, aesthetic vaginal reconstructive surgery, the management of female urinary incontinence, pelvic organ prolapse, menstrual dysfunction, the physical basis of female sexual dysfunction, surgery for female sexual dysfunction, female pelvic floor regenerative medicine & surgery, HRT and the menopause.