Dr Charles Koh

Milwaukee, USA

Dr Koh, M.D. graduated from the University of Singapore and trained in the University of London, where he obtained his specialty degree in obstetrics and gynaecology.

He went to Milwaukee in 1977 as an Assistant Professor of Obstetrics and Gynaecology of the Medical College of Wisconsin, and is currently the Co-Director of the Milwaukee Institute for Minimally Invasive Surgery and Reproductive Specialty Centre. In addition to the practice of infertility and in vitro fertilization, Dr Koh is a pioneer in advanced laparoscopic surgery for endometriosis, and has lectured extensively on this internationally.

He also pioneered a special technique and equipment for laparoscopic hysterectomy called the “Koh System for Total Laparoscopic Hysterectomy” and invented instruments for laparoscopic microsurgery.

Dr Koh and his associate, Dr Grace Janik, were the first doctors in the world to perform laparoscopic microsurgical tubal anastomosis in 1992.

Dr Koh recently completed a term as President of the Society of Laparoendoscopic Surgeons, and currently serves as a National Advisor for the American Association of Gynaecologic Laparoscopists.

He is also a specialty reviewer for various industry journals. In 2009, Dr Koh received the Distinguished Surgeon Award in recognition of his many contributions to the field of reproductive surgery.


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Endometriosis NZ is fortunate in having educators and advisors who are trained and well informed in the understanding, treatment, management and evidence based self-management of endometriosis and pelvic pain. Your ENZ educator / advisor is happy to listen to you and discuss treatment and management options in the hope that they can help you find the treatment path which best suit you and that matters to you.

We can provide education and well-health coaching to girls and women. ENZ educators and advisors are not doctors or nurses and are not trained counsellors. Please note that the service does not take the place of a consultation with a registered doctor or health professional.