<Table> <Tr> <Td> </Td> <Td> Recording From a Fetal Doppler Monitor Recording from a consumer - grade fetal doppler monitor of an approximately 16 - week - old fetus </Td> </Tr> <Tr> <Td_colspan="2"> Problems playing this file? See media help . </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> Recording From a Fetal Doppler Monitor Recording from a consumer - grade fetal doppler monitor of an approximately 16 - week - old fetus </Td> </Tr>

What kind of fetal doppler do doctors use