Pediatric Outcomes and Recovery With Peri-Operative Iron Supplement Evaluation

Inclusion Criteria: * All patients scheduled for VDRO and/or pelvic osteotomy surgery (prospective cohort) * All patients who had VDRO and/or pelvic osteotomy surgery between February 2022 and December 2024 (historical cohort) * Ages 0-18 years old Note that the investigators will include patients who do or do not have a diagnosis of a neuromotor condition. The investigators may not include patients who are enrolled in other conflicting research studies. Exclusion Criteria: * Patients who have undergone a major surgical intervention in the last 3 months * Patients who have received a nutritional intervention that includes iron testing and treatment within the last 3 months * Patients in whom oral/enteral iron supplementation is contraindicated * Patients who have a bleeding disorder * Patients taking erythropoietin * Patients who cannot read and understand English\* * Patients and their families who cannot read and understand English will be excluded from the study because the surveys and interviews are conducted in English. These patients will still have access to the same nutrition management and interventions as study participants.