[Bile acids from blood serum of women during normal pregnancy].

Bile acid concentrations were measured enzymatically in study of women through normal pregnancy. Mean serum bile acid levels increased significantly, from 5.3 (SD 0.9) mumol/l at 16 weeks to 7.2 (SD 1.0) mumol/l at term. Serum bile acid concentrations were greater of older women, than of younger women.