Head circumference velocity

The velocity standards for head circumference are presented in 2- and 3-month increments from birth to 12 months, and 4- and 6-month increments from birth to 24 months

2-month increments

z-scores: girls

Girls table- 2 month increments: Birth to 12 months (z-scores)
Download:  PDF  ǀ  Excel

Girls simplified field table- 2 month increments: Birth to 12 months (z-scores)

z-scores: boys

Boys table- 2 month increments: Birth to 12 months (z-scores)
Download:  PDF  ǀ  Excel

Boys simplified field table- 2 month increments: Birth to 12 months (z-scores)

Percentiles: girls

Girls table- 2 month increments: Birth to 12 months (percentiles)
Download:  PDF  ǀ  Excel

Girls simplified field table- 2 month increments: Birth to 12 months (percentiles)

Percentiles: boys

Boys table- 2 month increments: Birth to 12 months (percentiles)
Download:  PDF  ǀ  Excel

Boys simplified field table- 2 month increments: Birth to 12 months (percentiles)

3-month increments

z-scores: girls

Girls table- 3 month increments: Birth to 12 months (z-scores)
Download:  PDF  ǀ  Excel

Girls simplified field table- 3 month increments: Birth to 12 months (z-scores)

z-scores: boys

Boys table- 3 month increments: Birth to 12 months (z-scores)
Download:  PDF  ǀ  Excel

Boys simplified field table- 3 month increments: Birth to 12 months (z-scores)

Percentiles: girls

Girls table- 3 month increments: Birth to 12 months (percentiles)
Download:  PDF  ǀ  Excel

Girls simplified field table- 3 month increments: Birth to 12 months (percentiles)

Percentiles: boys

Boys table- 3 month increments: Birth to 12 months (percentiles)
Download:  PDF  ǀ  Excel

Boys simplified field table- 3 month increments: Birth to 12 months (percentiles)

4-month increments

z-scores: girls

Girls table- 4 month increments: Birth to 24 months (z-scores)
Download:  PDF  ǀ  Excel

Girls simplified field table- 4 month increments: Birth to 24 months (z-scores)

z-scores: boys

Boys table- 4 month increments: Birth to 24 months (z-scores)
Download:  PDF  ǀ  Excel

Boys simplified field table- 4 month increments: Birth to 24 months (z-scores)

Percentiles: girls

Girls table- 4 month increments: Birth to 24 months (percentiles)
Download:  PDF  ǀ  Excel

Girls simplified field table- 4 month increments: Birth to 24 months (percentiles)

Percentiles: boys

Boys table- 4 month increments: Birth to 24 months (percentiles)
Download:  PDF  ǀ  Excel

Boys simplified field table- 4 month increments: Birth to 24 months (percentiles)

6-month increments

z-scores: girls

Girls table- 6 month increments: Birth to 24 months (z-scores)
Download:  PDF  ǀ  Excel

Girls simplified field table- 6 month increments: Birth to 24 months (z-scores)

Percentiles: girls

Girls table- 6 month increments: Birth to 24 months (percentiles)
Download:  PDF  ǀ  Excel

Girls simplified field table- 6 month increments: Birth to 24 months (percentiles)

z-scores: boys

Boys table- 6 month increments: Birth to 24 months (z-scores)
Download:  PDF  ǀ  Excel

Boys simplified field table- 6 month increments: Birth to 24 months (z-scores)

Percentiles: boys

Boys table- 6 month increments: Birth to 24 months (percentiles)
Download:  PDF  ǀ  Excel

Boys simplified field table- 6 month increments: Birth to 24 months (percentiles)