DR. CHAMBERS is associate professor of pediatrics and family and preventive medicine at the University of California, San Diego. She is director of the California Teratogen Information Service and Clinical Research Program. Dr. Chambers is a past president of the Organization of Teratology Information Specialists (www.otispregnancy.org) and past president of the Teratology Society. She receives grant funding from several pharmaceutical companies that manufacture or distribute anticonvulsants, but the grants are not for anticonvulsant studies. To comment, e-mail her atobnews@elsevier.com) and past president of the Teratology Society. She receives grant funding from several pharmaceutical companies that manufacture or distribute anticonvulsants, but the grants are not for anticonvulsant studies. To comment, e-mail her atobnews@elsevier.com