Clinical manifestations in the Weaver syndrome patients carrying a NSD1 anomaly
| Parental ages at birth | |
| Paternal age (y) | 35.75 (29–43) |
| Maternal age (y) | 31 (26–34) |
| Sex | 2M/1F |
| Age range in years | 11–14 |
| Mental retardation | |
| Moderate speech delay | 3 |
| Behavioural problems | No |
| Additional features | |
| Feeding difficulties | 1 |
| Macrosomia at birth | 2 |
| Deep set nails | 3 |
| Camptodactyly | 3 |
| Clinodactyly | 3 |
| Cutis laxa | 2 |
| Metaphyseal widening | 2/2 |