Development

Question 1

Infants may lose ____ of birth weight (BW) over the first few days but should return to their BW by ____ days.

Answer 1

Infants may lose 5–10% of birth weight (BW) over the first few days but should return to their BW by 14 days.

Question 2

Infants can be expected to double their BW by _______. triple by ______, and quadruple by _______

Answer 2

double their BW by 4–5 months
triple by 1 year
quadruple by 2 years.

Question 3

Persistent weight less than the fifth percentile for age or “falling off the growth curve” (ie, crossing 2 major percentile lines on a growth chart)

Answer 3

Failure to thrive