Sex | Male | Male |
Age | 18 months | 29 years |
Gestation (weeks) | 36 | 38 |
BW: LGA* | 4200 g (+2.5 SD)† | 4700 g (+3.1 SD)† |
BL | 54 cm (+2.3 SD)† | 55 cm (+2.5 SD)† |
OFC at birth | 39 cm (+3 SD) | NA |
Neonatal hypoglycaemia | + Transient | + Transient |
Neonatal feeding problems | + Nasogastric feeding for 6 weeks | + Nasogastric feeding for 4 weeks |
Advanced postnatal growth | ++ 6 mth: 75.5 cm (+2.7 SD) | ++ 5 y: 120 cm (+2.4 SD) |
| 16 mth: 92 cm (+4 SD) | Adult: 186 cm (+1.1 SD) |
Advanced bone age | + 9–12 mth at calendar age of 4 mth | + Slightly dysharmonic maturation |
Macrocephaly | ++ 4 mth: 46.6 cm (+3 SD) | ++ 6 mth: 48 cm (+3 SD) |
| 16 mth: 53.5 cm (+2.8 SD) | 5 y: 56 cm (+3 SD) |
| | Adult: 61.6 cm (+3 SD) |
Large hands | ± 75–95th centile | ++ >>97th centile |
Large feet | ± 75–95th centile | ++ >>97th centile |
Increased arm span | NA | + |
Hypotonia | ++ | ++ Childhood |
Delayed motor skills | + | + |
Delayed speech | ± | + |
Frontal bossing | ++ | ± |
Midfacial narrowing | + | + |
Palpebral fissures slanting downwards | − | + |
Frontoparietal baldness | ++ | − |
Jaw | Small | Pointed chin, prognathism |
High arched palate | + | + |