Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Fetal hydantoin syndrome ?
    ### Response:
    What are the signs and symptoms of Fetal hydantoin syndrome? There is a wide range in the nature and severity of characteristics associated with fetal hydantoin syndrome. Of infants born to women who used phenytoin during pregnancy, 10-30% are reported to show some of the characteristics associated with this syndrome.
    