The fetal varicella syndrome is associated with abnormal central nervous system development, which in many cases is associated with mental retardation. However, the incidence of neurobehavioral deficits in asymptomatic structurally normal children whose mothers had clinically diagnosed varicella-zoster virus infection is unknown.
Center for Behavioral Teratology, Department of Psychology, San Diego State University, 6363 Alvarado Court, Suite 209, San Diego, CA 92120, USA. smattson@sunstroke.sdsu.edu