Doctor's Guide -- GENEVA -- October 4, 2010 -- Long-term use of intramuscular (IM) interferon (IFN) beta-1a is not teratogenic and does not have elevated risk for special populations, including children and adolescents, the elderly, and pregnant women, according to a study presented here September 27 at the 14th Congress of the European Federation of Neurological Societies (EFNS).
