Medical professionals rely on patterns of development to determine how well a patient is doing, especially when they are very young or very old. A. John Yazdi, MD, with Pediatric Gastroenterology of Colorado Springs in Colorado Springs, Colorado, works with parents to ensure their children are progressing correctly and to diagnose failure to thrive when necessary. If you are concerned about your child’s development, give the office a call to make an appointment with Dr. Yazdi.