Jane S. Oh, MD Dr. Jane Oh attended Northwestern University Medical School. She completed her residency in obstetrics and gynecology at Mercy Hospital and Medical Center in Chicago. She has been practicing since 2002 and is Board Certified. Dr. Oh is married and has a family. She chose obstetrics and gynecology as a specialty because of her vital interest in womens’ health. Her philosophy is that now, more than ever, women of all ages can be proactive about their health with a focus on prevention. Dr Oh is particularly interested in menopause, infertility, adolescent gynecology, vaginal surgery, laparoscopic surgery, osteoporosis, contraceptive options and abnormal periods. She practices a full range of obstetrics. She encourages patients to take positive steps to prevent and treat medical conditions with the purpose of maximizing health and quality of life.