| A | B |
| apnea | temporary interruption of the breathing impulse |
| appropriate for gestational age (AGA) | a newborn whose weight, length, and/or head circumference falls between the 10th and 90th percentile |
| Erb palsy | a facial paralysis resulting from injury to the cervical nerves |
| extremely low birth weight (ELBW) | weight less than 1000 grams |
| gestational age | the length of time between fertilization of the egg and birth of the infant |
| intrauterine growth restriction (IUGR) | condition in which babies are small because of circumstances tht occurred during the pregnancy, causing limited fetal growth |
| intraventricular hemorrhage | bleeding within a ventricle of the heart or brain |
| kernicterus | neurologic complication of unconjugated hyperbilirubinemia in the infant |
| large for gestational age (LGA) | an infant whose weight, length and/or head circumference is above the 90th percentile |
| low birth weight (LBW) | newborns that weigh <2500 grams |
| macroglossia | abnormally large tongue |
| meconium aspiration syndrome | occurs when the fetus inhales some meconium along with amniotic fluid |
| necrotizing enterocolitis (NEC) | an acute inflammatory disease of the intestine |
| polycythemia | excess number of red blood cells |
| post-term | a newborn born at 42 weeks or more |
| preterm | a newborn born at 37 weeks or less |
| respiratory distress syndrome (RDS) | hyaline membrane disease; preterm newborn's lung are too immature |
| retinopathy of prematurity (ROP) | complication commonly associated with the preterm newborn that results from the growth of abnormal immature retinal blood vessels |
| small for gestational age (SGA) | a newborn whose weight, length, and/or head circumfernece falls below the 10th percentile |
| very low birthweight (VLBW) | newborns weighing <1500 grams |