Division of Pediatric & Adolescent Gynecology

Division director: Diane F. Merritt, MD

The Division of Pediatric and Adolescent Gynecology at Washington University School of Medicine in St. Louis addresses all aspects of young women’s reproductive health including normal puberty, pubertal disorders, menstrual problems such as excessive bleeding or pain (dysmenorrhea), amenorrhea, ovarian problems, congenital anomalies affecting the reproductive tract and reproductive hormones. Diane F. Merritt, MD, has expertise in the management of young women with vaginal and uterine agenesis, primary ovarian insufficiency, polycystic ovarian syndrome and cyclic exacerbation of symptoms in non-gynecologic conditions such as seizure disorders.

Dr. Merritt is a professor of obstetrics and gynecology and has been an attending physician at St. Louis Children’s Hospital for four decades. She is the recipient of a Distinguish Faculty Award, Distinguished Service Teaching Award, the Humanism in Medicine Award, an Alumni Achievement Award and is a member of Alpha Omega Alpha. She has been listed every year from 1996 through 2017 as a Best Doctor in America, and every year from 2000 through 2017 as an America’s Top Doctor. She is a fellow of the American College of Obstetricians and Gynecologists and served as chair of the Committee on Adolescent Health Care. She was a founding member of the North American Society for Pediatric and Adolescent Gynecology and served on the board and as president. She is the director of the Division of Pediatric and Adolescent Gynecology and is a fellowship director in Pediatric and Adolescent Gynecology at Washington University.


Our clinical mission

The Division of Pediatric and Adolescent Gynecology seeks to support families, children, teens and young women with reproductive health concerns. We hope to promote confidence, self-esteem, good personal health and wellness for our patients and their families.

Our care team provides extensive services in menstrual management for healthy and disabled patients, contraceptive counseling and prevention of sexually transmitted infections and pregnancy. Our patients have access to genetic counseling, ultrasound imaging, and minimally invasive surgical procedures at both our Central West End and West County locations. We work closely with the physicians at St. Louis Children’s Hospital to coordinate care with the Divisions of Hematology-Oncology, Gastroenterology, Neurology, Dermatology, Urology, Genetics, Endocrinology and Psychology and Psychiatry.

Dr. Merritt is a consultant for the Beautiful You MRKH Foundation and has expertise in the care of women born with congenital absence (atresia) of the uterus and vagina (MRKH). Dr. Merritt has expertise in the management of menstrual suppression and cycle control for patients with developmental disabilities and underlying medical disorders. She is also an expert in the management of congenital anomalies of the reproductive tract as well as genital injuries and repair.

See our information for patients »


Our educational mission

We are actively involved in education of our community physicians in pediatrics and gynecology, subspecialty fellows, residents in obstetrics and gynecology and pediatrics and Washington University medical students. Dr. Merritt has been honored for teaching by the Association of Professors of Gynecology and Obstetrics and received teaching awards from the Washington University medical students and residents.

Learn more about the fellowship in pediatric and adolescent gynecology »


Our research mission

Our division is investigating long term outcomes for women who were born with uterine and vaginal agenesis (MRKH) to determine factors that enhance patient acceptance, satisfaction and self-esteem. Dr. Merritt works with the Beautiful You MRKH Foundation. We are also following young patients with primary ovarian insufficiency to determine if long term outcomes for patient well-being, fertility options, and satisfaction can be enhanced.

Learn more about our research »


Our faculty