We report congenital microencephaly caused by infection with lymphocytic choriomeningitis virus in the fetus of a 29-year-old pregnant women at 23 weeks' gestation. The diagnosis was made by ultrasonography and negative results for other agents and confirmed by a positive PCR result for lymphocytic choriomeningitis virus in an amniotic fluid sample.
Keywords: France; LCMV; PCR; Zika virus; arenavirus; ascites; fetus; hydrocephalus; infection; lymphocytic choriomeningitis virus; meningitis/encephalitis; microcephaly; pregnancy; prenatal diagnosis; ultrasonography; viruses.