“…In uncomplicated pregnancy the serum bilirubin values are usually normal (29) or slightly increased, and valu,es exceeding 1 mg/1OO ml are recorded in 2-15 per cent of the women with normal pregnancy (43, 58, 82). Bile components have been found in the urine of O to 14.5 per cent of the cases examined (8, 29,35).…”