Bile salts (cholestyramine) and pregnancy?

Drugs.com: Cholestyramine has been assigned to pregnancy category c by the fda. Because Cholestyramine is not absorbed after oral administration, direct fetal harm is not expected. Impairment of absorption of fat soluble vitamins and other nutrients as well as effects of reduced lipid concentrations may be of concern, although the drug has been used successfully during pregnancy. ...More.

Drugs.com: Cholestyramine should only be used in pregnancy of benefits outweigh the risks. (www.Drugs.Com).