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Dr. Arostegui graduated from Florida International University with a Bachelor in Biological Sciences followed by medical school at American University of Antigua in Antigua and Barbuda. She completed her Pediatric Residency at Maimonides Infant and Children’s Hospital in Brooklyn, New York. She completed her Pediatric Gastroenterology Fellowship at SUNY Downstate Healthy Sciences University Hospital in Brooklyn, New York. During her fellowship, her research interests were in improving colonoscopy bowel preparation and she developed a randomized controlled pilot study evaluating the effect of Ondansetron on bowel prep success. She presented her work at the annual North American Society for Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN) meeting and this work earned her the NASPGHAN Endoscopy Prize. During fellowship she co authored and published a review article on acute gastroenteritis in the Journal of Pediatric Gastroenterology and Nutrition (JPGN) titled “The Cutting Edge of Gastroenteritis:Advances in Understanding of Enteric Infection”. Her special interests include inflammatory bowel disease, eosinophilic esophagitis, obesity, and celiac disease. Dr. Arostegui is board certified in Pediatrics.