IBCLC EXAM: Growth and Development
Exam Summer 2023| Questions and
Answers| A grade
How many ounces would you expect a 4 month old baby to gain each week? - -5 to 7
ounces
-How much would you expect a 5 month old to weigh? - -Twice their birth weight
-How many ounces would you expect an 8 month old to gain each week? - -3 to 5
ounces
-How much would you expect a 1 year old to weigh? - -3x their birth weight (some
sources say 2x their birth weight at 12 months)
-What is different in the appearance of a breastfed baby vs. a formula fed baby at 12
months of age? - -They are leaner. Weighing less but having more body fat
-When do breastfed babies grow the quickest? - -In the first 2-3 months, slowing at 6
months of age.
-How old would you guess an infant that is sitting without support is? - -6 1/2 months
old on average (between 4-9 months of age this occurs)
-How old would you guess an infant that is standing with assistance is? - -8 1/2 months
old on average (between 5-12 months of age this occurs)
-How old would you guess an infant that is on their hands and knees crawling is? - -9
months old on average (between 5-13 months of age this occurs)
-How old would you guess an infant is that is walking with assistance is? - -10 months
old on average (between 6-14 months of age this occurs)
-How old would you guess an infant is that is standing alone is? - -12 months old on
average (between 7-17 months of age this occurs)
-How old would you guess that an infant is that is walking alone is? - -11 1/2 months
old on average (between 8-17 months of age this occurs)
Exam Summer 2023| Questions and
Answers| A grade
How many ounces would you expect a 4 month old baby to gain each week? - -5 to 7
ounces
-How much would you expect a 5 month old to weigh? - -Twice their birth weight
-How many ounces would you expect an 8 month old to gain each week? - -3 to 5
ounces
-How much would you expect a 1 year old to weigh? - -3x their birth weight (some
sources say 2x their birth weight at 12 months)
-What is different in the appearance of a breastfed baby vs. a formula fed baby at 12
months of age? - -They are leaner. Weighing less but having more body fat
-When do breastfed babies grow the quickest? - -In the first 2-3 months, slowing at 6
months of age.
-How old would you guess an infant that is sitting without support is? - -6 1/2 months
old on average (between 4-9 months of age this occurs)
-How old would you guess an infant that is standing with assistance is? - -8 1/2 months
old on average (between 5-12 months of age this occurs)
-How old would you guess an infant that is on their hands and knees crawling is? - -9
months old on average (between 5-13 months of age this occurs)
-How old would you guess an infant is that is walking with assistance is? - -10 months
old on average (between 6-14 months of age this occurs)
-How old would you guess an infant is that is standing alone is? - -12 months old on
average (between 7-17 months of age this occurs)
-How old would you guess that an infant is that is walking alone is? - -11 1/2 months
old on average (between 8-17 months of age this occurs)
