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Dr. Karnis is originally from Toronto. She pursued her undergraduate studies at McMaster University, where she earned a bachelor of Arts and Science. In 1993 she graduated from medical school at McMaster University. Dr. Karnis completed her internship at the University of Toronto, in the Department of Obstetrics and Gynecology. She then returned to McMaster for her residency in Obstetrics and Gynecology. Upon completion of her residency, Dr. Karnis moved to Boston, Massachusetts where she engaged in a three year fellowship in Reproductive Endocrinology and Infertility at Harvard Medical School, in conjunction with the Beth Israel Deaconess Medical Center and Boston IVF. Following her subspeciality training, she returned to Hamilton and joined the Hamilton Health Sciences Centre for Reproductive Care. In 2009, the Centre for Reproductive Care closed and she opened The Ontario Network of Experts in Fertility (ONE Fertility), with partners Dr. Shilpa Amin (GREI) and Mr. Mike Neal (Embryology). ONE Fertility is a full service fertility centre and reproductive endocrinology clinic. Dr. Karnis is a fellow of the Royal College of Physicians and Surgeons of Canada and is U.S. Board Eligible in Obstetrics and Gynecology and Reproductive Endocrinology and Infertility. 


  • Turner syndrome


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  • B.A/Sc - McMaster University 
  • MD - McMaster University 
  • ​Founder GREI

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