Total 60 clinical symptoms reported for Bloom syndrome  Very Frequent (6)Uncommon (5)Occasional (32)Frequent (17)

Abnormality of the immune system	An abnormality of the immune system.   Synonyms:Abnormality of the immune system; Immunological abnormality	Very frequent
Adipose tissue loss	A loss of adipose tissue.   Synonyms:Loss of fat tissue	Very frequent
Growth delay	A deficiency or slowing down of growth pre- and postnatally.   Synonyms:Delayed growth; Growth deficiency; Growth delay; Growth failure; Growth retardation; Poor growth; Retarded growth	Very frequent
Intrauterine growth retardation	An abnormal restriction of fetal growth with fetal weight below the tenth percentile for gestational age.   Synonyms:In utero growth retardation; Intrauterine growth failure; Intrauterine growth restriction; Intrauterine growth retardation, IUGR; Intrauterine retardation; IUGR; Prenatal growth deficiency; Prenatal growth failure; Prenatal growth retardation; Prenatal onset growth retardation; Prenatal-onset growth retardation; Small for gestational age infant	Very frequent
Severe postnatal growth retardation	Severely slow or limited growth after birth, being four standard deviations or more below age- and sex-related norms.   Synonyms:Marked growth retardation; Severe growth delay in children; Severe postnatal growth deficiency; Severe postnatal growth failure	Very frequent
Small for gestational age	Smaller than normal size according to sex and gestational age related norms, defined as a weight below the 10th percentile for the gestational age.   Synonyms:Birth weight less than 10th percentile; Low birth weight; Small for gestational age	Very frequent