In the United States, a graduate from an accredited PA program must pass the NCCPA-administered Physician Assistant National Certifying Exam before becoming a PA-C; this certification is required for licensure in all states.
Small for gestational age (SGA) babies are those whose birth weight lies below the 10th percentile for that gestational age. Low birth weight (LBW), is sometimes used to define a baby that weighs less than 5 lb 8 oz (2500 g) regardless of gestational age.
Maternal and Child Health nurses use percentile charts from the World Health Organisation for children between 0 and 24 months of age, which measure: 1  Boys: weight for age and length. 2  Girls: weight for age and length. 3  Boys and girls head circumference.MI is calculated using height and height measurements, then used to compare a childâs weight relative to height with other children of the same age and gender, using BMI percentile charts. The following equation can be used to determine BMI: BMI = Weight (kg) / height (m) Height (m).