Your Baby’s Growth Percentiles
Based on WHO growth standards
Weight Percentile
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Length Percentile
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Head Circumference Percentile
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Growth Assessment
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Understanding Baby Growth Percentiles: A Complete Guide
Our Baby Growth Percentile Calculator helps parents track their infant’s growth compared to World Health Organization (WHO) standards. Percentiles show how your baby’s measurements compare to others of the same age and gender.
How the Baby Growth Calculator Works
The calculator uses WHO growth standards data to determine percentiles for weight, length/height, and head circumference. These standards are based on healthy breastfed infants from diverse ethnic backgrounds worldwide. The calculator accounts for your baby’s exact age in months and weeks, gender, and measurements to provide accurate percentiles.
Key Features of Our Calculator:
- Calculates weight-for-age percentile
- Calculates length/height-for-age percentile
- Optional head circumference percentile
- Considers exact age in months + weeks
- Gender-specific calculations
- Provides growth assessment interpretation
Understanding Growth Percentiles
Percentiles range from 0 to 100. A 50th percentile means your baby is average – exactly in the middle of the growth curve. Lower percentiles mean your baby is smaller than average, while higher percentiles mean your baby is larger than average. What’s most important is that your baby follows their own consistent growth curve over time.
Baby Growth Percentile FAQ
Q: What’s considered a “normal” percentile range?
A: Typically, percentiles between 5th and 95th are considered normal. However, what’s most important is consistent growth along a similar percentile over time rather than any specific number.
Q: My baby dropped percentiles – should I worry?
A: Small fluctuations are normal. Consult your pediatrician if your baby crosses two major percentile lines (e.g., from 75th to 25th) or shows consistent downward trends.
Q: How often should I check my baby’s percentiles?
A: Monthly checks are sufficient for healthy babies. Premature babies or those with growth concerns may need more frequent monitoring as advised by your pediatrician.
Important Note:
Growth percentiles are screening tools, not diagnostic. Always consult your pediatrician about your baby’s growth, especially if you have concerns about feeding, development, or if your baby shows significant percentile changes.