Dr. Elguera was born in New York City in 1964 to a physician father and a nurse mother. Dr. Elguera's father was from Peru and she is fluent in medical Spanish. Dr. Elguera's mother's family has resided in the United States for over 100 years.
Dr. Elguera obtained her Bachelor of Arts in Biology from Johns Hopkins University and her Doctor of Medicine degree from Yale University School of Medicine. She completed her residency in Obstetrics and Gynecology at Baylor College of Medicine in 1997. Dr. Elguera has been providing OB/Gyn care in the Northern Virginia area since 1997. In 2005, Dr. Elguera decided to concentrate on providing gynecological and preventive care for women, and has stopped providing obstetrical care.