Ulnar/fibula ray defect - brachydactyly syndrome is a very rare malformation syndrome characterized by ulnar hypoplasia associated with hypoplastic to absent fourth and/or fifth digits, fibular hypoplasia, short stature and facial dysmorphism.
A measured foot length that is more than 2 SD below the mean for a newborn of 27 - 41 weeks gestation, or foot that is less than the 3rd centile for individuals from birth to 16 years of age (objective). Alternatively, a foot that appears disproportionately short (subjective).