Some Drugs Can Increase Risk of Birth Defectshttp://articles.mercola.com/sites/articles/archive/2000/12/10/pregnancy-birth-defects.aspxCertain drugs, such as those known to be folic acid antagonists, can lower a woman's folic acid levels and increase the risks of birth defects, should she become pregnant, a new study shows. Researchers assessed exposure to folic acid antagonist drugsenCommunityServer 2008.5 SP1 (Build: 31106.3070)