| | Head circumference below 2 standard deviations below the mean for age and gender. |
| | Upper insertion of the ear to the scalp below an imaginary horizontal line drawn between the inner c... |
| | Webbing or fusion of the toes, involving soft parts only or including bone structure. Bony fusions a... |
| | A delay in the achievement of motor or mental milestones in the domains of development of a child, i... |
| | Height of the vermilion of the medial part of the lip more than 2 SD below the mean, or apparently r... |
| | Meeting of the medial eyebrows in the midline. |
| | Abnormally increased hair growth over much of the entire body. |
| | Increased height of the central portion of the eyebrow, forming a crescent, semicircular, or inverte... |
| | Distance between nasal base and midline upper lip vermilion border more than 2 SD above the mean. Al... |
| | Increased breadth of the nasal bridge (and with it, the nasal root). |