Growth Charts for Boys: Birth to 36 Months
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Questions and Answers

What does the 50th percentile represent in the CDC Growth Charts?

  • Average height and weight for children
  • The height at which 50% of children are taller and 50% are shorter (correct)
  • The maximum height a child can achieve
  • The starting height for all growth calculations

    • At what age is the height reference recorded at 22 inches?

  • 18 months
  • 12 months (correct)
  • 24 months
  • 36 months

    • Which percentile indicates the threshold below which only 5% of children fall in terms of height?

  • 90th
  • 75th
  • 10th
  • 5th (correct)

    • What height corresponds to the 95th percentile for children at 36 months?

    <p>40 inches (B)</p> Signup and view all the answers

    What is the height at the 10th percentile for children at 18 months?

    <p>30 inches (C)</p> Signup and view all the answers

    How many inches corresponds to the 3rd percentile for children at 15 months?

    <p>31 inches (D)</p> Signup and view all the answers

    At which age does the 75th percentile reach 20 inches in height?

    <p>6 months (B)</p> Signup and view all the answers

    Which height is provided for the 97th percentile at 24 months?

    <p>38 inches (B)</p> Signup and view all the answers

    What is the height corresponding to the 90th percentile for children at 36 months?

    <p>38 inches (C)</p> Signup and view all the answers

    Which age shows the height of 19 inches at the 25th percentile?

    <p>18 months (D)</p> Signup and view all the answers

    What is the average height in inches for a 12-month-old child according to the CDC Growth Charts?

    <p>30 inches (D)</p> Signup and view all the answers

    At what age is the 75th percentile height for girls shown in the CDC Growth Charts?

    <p>21 months (B)</p> Signup and view all the answers

    What height in centimeters corresponds to the 10th percentile for children at 24 months?

    <p>80 cm (D)</p> Signup and view all the answers

    Which of the following ages is not represented on the CDC Growth Charts?

    <p>36 months (B)</p> Signup and view all the answers

    What is the height in inches for a child at the 3rd percentile at 18 months?

    <p>27 inches (C)</p> Signup and view all the answers

    What is the height at the 90th percentile for a 9-month-old according to the growth charts?

    <p>31 inches (C)</p> Signup and view all the answers

    At which age does the CDC Growth Charts show the lowest height in inches?

    <p>0 months (A)</p> Signup and view all the answers

    What does the 50th percentile represent in the CDC Growth Charts?

    <p>The average height (C)</p> Signup and view all the answers

    Which percentile ranks boys with a stature of 60 cm at the age of 3?

    <p>75 (A)</p> Signup and view all the answers

    What is the weight in kilograms for a boy aged 9 who weighs 70 pounds?

    <p>31.8 (B)</p> Signup and view all the answers

    At what age do boys’ growth percentiles begin to show significant variation?

    <p>3 years (D)</p> Signup and view all the answers

    What is the BMI of a boy whose height is 180 cm and weight is 75 kg?

    <p>23.1 (B)</p> Signup and view all the answers

    Which age shows a boy’s stature at the 90th percentile if he is 160 cm tall?

    <p>15 years (A)</p> Signup and view all the answers

    At what weight in pounds would a boy at age 7 be at the 10th percentile?

    <p>40 (D)</p> Signup and view all the answers

    Which weight percentile corresponds to a boy aged 12 weighing 190 pounds?

    <p>95 (C)</p> Signup and view all the answers

    What is a likely BMI category for a boy aged 10, weighing 40 kg and 150 cm tall?

    <p>Normal weight (A)</p> Signup and view all the answers

    What height in cm would place a boy at the 25th percentile at age 8?

    <p>130 (A)</p> Signup and view all the answers

    What is the maximum weight in kg for a boy aged 16 at the 5th percentile?

    <p>45 (C)</p> Signup and view all the answers

    Which of the following represents an average stature for boys aged 11?

    <p>160 cm (A)</p> Signup and view all the answers

    At age 9, a stature of 135 cm falls into which percentile for boys?

    <p>50th (C)</p> Signup and view all the answers

    For a boy aged 7, a weight of 70 pounds is found in which percentile?

    <p>70th (D)</p> Signup and view all the answers

    Which typical BMI indicates underweight status for boys ages 2 to 20?

    <p>Less than 16 (A)</p> Signup and view all the answers

    At 12 months of age, how many centimeters should a boy ideally measure?

    <p>40 cm (D)</p> Signup and view all the answers

    What is the weight percentile for a boy at 15 months if he weighs 11 kg?

    <p>50th percentile (D)</p> Signup and view all the answers

    What is the typical weight for a boy at 6 months of age?

    <p>9 kg (A)</p> Signup and view all the answers

    Which of these values corresponds to the weight-for-age at 24 months?

    <p>14 kg (B)</p> Signup and view all the answers

    At what age does a boy's typical height reach approximately 80 cm?

    <p>24 months (B)</p> Signup and view all the answers

    By the age of 36 months, what is the expected height for a boy?

    <p>95 cm (B)</p> Signup and view all the answers

    What should a boy’s length be at 3 months of age?

    <p>40 cm (A)</p> Signup and view all the answers

    What length-for-age percentile would a boy around 30 months measuring 90 cm fall under?

    <p>90th percentile (D)</p> Signup and view all the answers

    At which age does the average weight of boys reach approximately 10 kg?

    <p>12 months (D)</p> Signup and view all the answers

    What is the typical height percentile for a boy at 18 months if he measures 77 cm?

    <p>50th percentile (C)</p> Signup and view all the answers

    How much should a boy ideally weigh at 21 months of age?

    <p>14 kg (A)</p> Signup and view all the answers

    At what age is a boy expected to reach a height of 86 cm?

    <p>24 months (C)</p> Signup and view all the answers

    By what age should a boy weigh around 15 kg?

    <p>36 months (B)</p> Signup and view all the answers

    What is the expected weight for boys at 9 months of age?

    <p>10 kg (C)</p> Signup and view all the answers

    At what age in months is the length measurement 39 cm recorded?

    <p>9 months (D)</p> Signup and view all the answers

    Which length measurement corresponds to 6 months of age?

    <p>40 cm (A)</p> Signup and view all the answers

    What is the weight measurement recorded at 12 months?

    <p>16 lbs (C)</p> Signup and view all the answers

    At what age is the length measurement 36 cm recorded?

    <p>18 months (C)</p> Signup and view all the answers

    Which length is associated with 3 months of age?

    <p>40 cm (B)</p> Signup and view all the answers

    What is the weight for 36 months of age listed in kilograms?

    <p>12 kg (C)</p> Signup and view all the answers

    When is a length measurement of 34 cm noted?

    <p>26 months (B)</p> Signup and view all the answers

    Which age in months is matched with a length of 29 cm?

    <p>3 months (B)</p> Signup and view all the answers

    What is the age at which a child is expected to be 22 cm long?

    <p>9 months (C)</p> Signup and view all the answers

    Which length measurement corresponds to 21 months?

    <p>38 cm (A)</p> Signup and view all the answers

    At what age is the total head circumference mentioned?

    <p>36 months (B)</p> Signup and view all the answers

    Which of the following is the length recorded at 33 months?

    <p>36 cm (C)</p> Signup and view all the answers

    What is the average weight listed for a child at 15 months in pounds?

    <p>22 lbs (B)</p> Signup and view all the answers

    At what age is a weight measurement of 15 kg recorded?

    <p>24 months (A)</p> Signup and view all the answers

    Study Notes

    ### Growth Charts for Boys

    • The growth charts show length-for-age and weight-for-age percentiles for boys from birth to 36 months.
    • The charts also show stature-for-age and weight-for-age percentiles for boys from 2 to 20 years.
    • The charts provide a visual representation of how a boy's growth compares to other boys of the same age.
    • The charts are used to track a boy's growth over time and to identify any potential growth problems.
    • The charts are developed by the National Center for Health Statistics in collaboration with the National Center for Chronic Disease Prevention and Health Promotion.
    • The charts are updated regularly to reflect the latest scientific findings.

    ### Birth to 36 Months

    • The birth to 36 months chart includes information on length, weight, head circumference, and age.
    • The chart is organized with age in months on the x-axis and length or weight in centimeters or kilograms on the y-axis.
    • The chart shows the following percentiles: 3rd, 5th, 10th, 25th, 50th, 75th, 90th, 95th, and 97th.
    • The 50th percentile represents the average growth for boys.
    • The 25th and 75th percentiles represent the range in which most boys fall.
    • Boys who fall below the 3rd percentile or above the 97th percentile may be at risk for growth problems.

    2 to 20 Years

    • The 2 to 20 years chart includes information on stature, weight, body mass index (BMI), and age.
    • The chart is organized with age in years on the x-axis and stature or weight in centimeters or kilograms on the y-axis.
    • The chart shows the following percentiles: 3rd, 5th, 10th, 25th, 50th, 75th, 90th, 95th, and 97th.
    • The 50th percentile represents the average growth for boys.
    • The 25th and 75th percentiles represent the range in which most boys fall.
    • Boys who fall below the 3rd percentile or above the 97th percentile may be at risk for growth problems.
    • The chart also includes a section for the mother's and father's stature, which can be used to estimate the boy's potential adult height.

    Using the Growth Charts

    • To use the growth charts, plot the boy's measurements on the chart for the corresponding age.
    • Connect the dots to create a growth curve.
    • Compare the growth curve to the percentiles on the chart.
    • If the growth curve falls consistently below the 3rd percentile or above the 97th percentile, consult a healthcare professional to discuss possible growth problems.

    Growth Charts

    • Developed by the National Center for Health Statistics in collaboration with the National Center for Chronic Disease Prevention and Health Promotion (2000).
    • Provide percentile charts for babies from birth to 36 months old
    • Charts display:
      • Length for age
      • Weight for age
    • Measure length in inches and centimeters
    • Measure weight in kilograms and pounds
    • Provides information about:
      • Mother's stature
      • Father's stature
      • Date
      • Age of child
      • Weight
      • Length
      • Head Circumference
    • Published in May 30, 2000 by the CDC

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    Related Documents

    CDC Growth Charts: Pediatrics PDF

    Description

    Explore the growth charts for boys from birth to 36 months, which illustrate percentiles for length and weight. These charts serve as essential tools for tracking growth and identifying potential health issues. Developed by reputable health organizations, they reflect the latest scientific findings for monitoring child development.

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