{"id":"a24fedcf2565d7ff979f47e8a496dbb4","slug":"3yearold-son-has-always-been-90th-percentile-height-but","question":"My 3-year-old son has always been 90th percentile height but dropped to 75th, should I worry?","answer":"A shift from the 90th to 75th percentile isn't necessarily a red flag on its own — percentiles move, especially over short periods. What matters more is the pattern: is your son still growing at a steady rate, or has the growth itself actually slowed down?\n\nThe research suggests the real concern is when growth slows unexpectedly or when a child stops tracking consistently with their own family pattern and genetics. A single percentile drop, especially if he's still growing steadily and staying within a range that makes sense for your family's heights, is usually nothing to worry about. Children don't grow in perfectly straight lines month to month.\n\nThat said, trust your instinct. If this drop happened over a very short timeframe, or if you notice his growth has genuinely become slower than it was before, it's worth mentioning at his next pediatric visit. Your doctor can plot his growth over time and compare it to what's typical for kids in your community — that's the most useful way to tell if something actually needs attention. You know your son best, so if something feels off to you, bringing it up costs nothing and gives you real reassurance either way.","sources":"[]","thread_json":null,"topic":"growth-charts-percentiles","view_count":0,"created_at":"2026-10-25T00:00:45.244Z"}