At a checkup, your baby's weight, length, and head circumference are plotted on a growth chart. If you hear '75th percentile,' remember that it is not a grade or a score. It simply shows where that measurement sits within a reference group.
What does the 75th percentile mean?
If your baby's weight is at the 75th percentile, they weigh more than about 75 out of 100 children of the same age and sex in the reference group, and less than about 25. A higher percentile is not automatically better, and a lower one is not automatically a concern.
Look at the curve, not one number
Your pediatrician is usually more interested in how your baby grows over time than in a single measurement. A noticeable or continuing shift across percentile lines is considered alongside feeding, development, family history, and your baby's overall health.
How Nerumi uses WHO standards
Nerumi plots growth using the World Health Organization's official standards, so you can see how measurements change over time. The chart is useful for keeping a record; interpreting what the curve means for your baby is still a conversation to have with your pediatrician.