. Author manuscript; available in PMC: 2016 Jun 1.

Published in final edited form as: Pediatr Clin North Am. 2015 Apr 22;62(3):587–606. doi: 10.1016/j.pcl.2015.03.004

Table 1.

Features of Prader-Willi syndrome

Consistent (100%)	Frequent (80%)	Associated (20–80%)
Hypotonia	Hypopigmentation	Speech articulation defects
Failure to thrive	Behavioral problems	Autism
Feeding difficulty	Developmental delay
Hypogonadism	Short stature, if untreated with growth hormone
Obesity, in absence of intervention	Distinctive facial features
Hyperphagia	Sleep disturbances
	Small hands/feet