Abnormally increased size of the liver.

Damage to cerebral nuclei caused in infants by highly increased levels of unconjugated bilirubin. The basal ganglia and brainstem nuclei could be shown to have a yellow staining historically in infants who died of kernicterus, that is, kernicterus is strictly speaking a pathological diagnosis. The presence of kernicterus may be inferred in infants with characteristic acute or chronic bilirubin-induced neurological dysfunction.

Abnormal increased size of the spleen.

The presence of excess amniotic fluid in the uterus during pregnancy.

The abnormal accumulation of fluid in two or more fetal compartments, including ascites, pleural effusion, pericardial effusion, and skin edema.

Accumulation of fluid in the peritoneal cavity during the fetal period.

Fetal pleural effusion is the accumulation of excess fluid in the layers of tissue (pleura) lining the lungs and wall of the chest. It may be primary, also termed hydrothorax, occurring as an isolated finding or it may be secondary, most commonly resulting from non-immune hydrops.

An abnormal accumulation of fluid in which the heart is partially or completely surrounded by fluid that is seen in all views and the thickness of the fluid as observed by prenatal ultrasound is above age-dependent norms.