Total 23 clinical symptoms reported for Laurence-Moon syndrome 
Abnormal antitragus morphology An abnormality of the antitragus, which is a small tubercle opposite to the tragus of the ear. The antitragus and the tragus are separated by the intertragic notch.
 
Very frequent
Finger syndactyly Webbing or fusion of the fingers, involving soft parts only or including bone structure. Bony fusions are referred to as 'bony' Syndactyly if the fusion occurs in a radio-ulnar axis. Fusions of bones of the fingers in a proximo-distal axis are referred to as 'Symphalangism'.
 
Synonyms:Partial syndactyly
Very frequent
Hand polydactyly A kind of polydactyly characterized by the presence of a supernumerary finger or fingers.
 
Synonyms:Extra finger; Finger polydactyly; Polydactyly of the hand; Supernumerary finger
Very frequent
Intellectual disability Subnormal intellectual functioning which originates during the developmental period. Intellectual disability, previously referred to as mental retardation, has been defined as an IQ score below 70.
 
Synonyms:Intellectual disability; Mental deficiency; Mental retardation; Mental retardation, nonspecific; Mental-retardation; Nonprogressive intellectual disability; Nonprogressive mental retardation
Very frequent
Obesity Accumulation of substantial excess body fat.
 
Synonyms:Having too much body fat; Obesity
Very frequent