| A | B |
| Pediatrician | A doctor that specializes in caring for children |
| Premature | A baby born before their due date |
| Newborn | A baby 0-1 month old |
| Infant | A baby 1 month to 1 year old |
| Toddler | A child 1 to 3 years old |
| Preschooler | A child 3-5 years old |
| Diaper Rash | A rash on a baby's bottom that can become sore and infected if not properly cared for |
| Tummy Time | Supervised time a baby spends on its tummy to develop neck muscles and help learn to crawl |
| Security | The ability to feel safe |
| Shaken Baby Syndrome | Brain and bodily damage that occurs when a baby is shaken |
| Sudden Infant Death Syndrome | A baby simply stops breathing while sleeping with no known cause |
| Colic | Severe abdominal pain in infants resulting from gas |
| Dehydration | Excessive loss of water due to vomiting or diarrhea |
| Lethargic | Extreme lack of energy |
| Asprin | Pain reliever that should not be given to teens or children |
| Tylenol and Ibuprofen | Non-asprin pain reliever |