<unk><unk>  may be classified as unilateral<unk><unk>  (URA) or bilateral<unk><unk>  (BRA). URA is the congenital absence of one kidney and BRA is the congenital absence of both kidneys which is incompatible with life.<unk><unk>  may be isolated or associated with other anomalies and syndromes.
Renal agenesis classification
Renal agenesis epidemiology and demographics
Hydrocephalus classification
Pulmonary atresia classification
Growth hormone deficiency classification
Hurler syndrome classification
22q11.2 deletion syndrome classification
Androgen insensitivity syndrome classification