Zika virus can be spread from a pregnant woman to her fetus and has been linked to a serious
birth defect of the brain called microcephaly in babies of mothers who had Zika virus while
pregnant. Other problems have been detected among fetuses and infants infected with Zika
virus before birth, such as absent or poorly developed brain structures, defects of the eye,
hearing deficits, and impaired growth. CDC recommends special precautions for women who are or may become pregnant.