http://biennaleenogastronomica.com/News/a-fetal-doppler-monitors-unborn-hearts/ A fetal Doppler is a device used by expectant mothers to listen to their unborn baby’s heart beats. It is similar to an ultrasound performed by obstetrician during an office visit. The mother to be or someone else can spread ultrasound transmission gel on her abdomen. Some may work with . Tue, 16 Mar 2010 18:33:21 CDT en