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Age at attainment of developmental milestones in individuals with Emanuel syndrome
| Developmental milestone | Mean Age (months) |
Range (months) |
Mode Age Range (months) |
|---|---|---|---|
| Hold head up | 8 | 2-28 | 5-8 |
| Smile | 7 | 2-36 | 2-4 |
| Sitting independently | 20 | 8-36 | 13-24 |
| Crawling1 | 34 | 20-51 | 20-24 |
| Standing unsupported | 71 | 24-150 | 24-48 |
| Walking with support | 61 | 18-120 | 37-48 |
| Walking unsupported | 84 | 41-150 | 97-150 |
83% of respondents indicated that their child did not learn to crawl
