| First Pediatric Emergency Department, dedicated solely to care of children - only Connecticut Level I Trauma Center for Children |
| Only ECMO (extracorporeal membrane oxygenation) in Connecticut (life support
for respiratory failure) |
| Only Pediatric Sleep Center in Connecticut |
| First in Natural Childbirth with "rooming in of baby and mother" 1940s |
| First Regional Children's Heart/Cardiology Center 1940s |
| One of First to perform Open Heart Surgery on Children 1950s |
| One of the First Cystic Fibrosis Clinics 1950s |
| One of the First Cystic Fibrosis Clinics 1950s |
| First NICU/Newborn Special Care Unit |
| One of First to Routinely Test Newborns for Sickle Cell Disease 1972 |
| New England's First In Vitro Baby 1982 |
| World's First Fetal Cardiovascular Center 1984 |