About John Larsen

John Larsen, MD, FACOG, FACMG is a board-certified Obstetrician & Gynecologist at The GW Medical Faculty Associates and past Chairman of Obstetrics & Gynecology at The George Washington School of Medicine & Health Sciences. Dr. Larsen received his BA in Psychology at Dartmouth College in Hanover, New Hampshire.  From 1964 to 1968 Dr. Larsen attended Cornell University Medical College in New York where he received his MD. He did his internship at Presbyterian-St. Luke’s Hospital in Chicago, IL. Dr. Larsen completed his OBGyn residency training in 1973 at Yale in New Haven, Connecticut.  Dr. Larsen received his fellowship training in Maternal-Fetal Medicine at The George Washington University. Dr. Larsen is board-certified in Maternal-Fetal Medicine and Medical Genetics.  

In 1982 he became Director of the Wilson Genetics Center at The GW University. Dr. Larsen has been an active member of the American Congress of Obstetricians and Gynecologists. He was promoted to Professor in 1986. 

Dr. Larsen specializes in high risk pregnancy care with special interest in prenatal genetic screening and diagnosis.  In 1976 he became the leader of the prenatal genetics program at The GWU and started performing amniocentesis.  In 1984 he introduced the technique of chorionic villi sampling (CVS) to the Washington DC area. 

He has published on prenatal genetic screening and on perinatal infections. He has helped establish national guidelines for the diagnosis and management of Group B Streptococcus infection in pregnancy.

 

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