General Population Level Estimation for Type 1 Diabetes Risk in Children During Routine Care Delivery

Inclusion Criteria: * Newborn Entry: Viable, term infants, defined as 36 weeks gestation by either dates or ultrasound who are born to pregnant women, 18 years or older, who are willing and able to provide informed consent (IC) prior to the onset of active labor. Who are born at a Sanford Health Hospital and plan to have routine well-child care at a Sanford Clinic * Pediatric Entry: Children less than 6 years of age who receive their routine care at a Sanford facility and whose parents are able to provide IC. * Adolescent Entry: Children, ages 9-16 years old, who receive their routine care at a Sanford facility and whose parents are able to provide IC. * Siblings of children known to have T1D-relevant antibodies; ages 6 to 17 years old who receive care at a Sanford clinic * Have an active MyChart account (with proxy access). Exclusion Criteria: * Subject is in the opinion of the investigator, unable to comply with the requirements of the study protocol. * Children known to have T1D