A fetal ultrasound system comprising: one or more a fetal ultrasound transducers (41, 42, 43), each having: an ultrasound device configured to generate sound waves in the ultrasonic range and convert reflected sound waves into ultrasound data for detection of a fetal heart beat; a contact sensor configured to sense contact with a mother's abdomen and generate a contact indicator; a transducer identifier unit that communicates a transducer ID; a monitor configured to receive the ultrasound data, the contact indicator, and the transducer ID from the one or more ultrasound transducers, and comprising a transducer tracking module executable on a processor to: generate a transducer label (41, 42, 43) for each of the one or more fetal ultrasound transducers (41, 42, 43) (20a, 20b, 20c); associate the transducer ID for each fetal ultrasound transducer (20a, 20b, 20c) with the respective transducer label (41, 42, 43); determine a fetal heart rate based on the ultrasound data and generate a corresponding heart rate indicator (48a, 48b, 48c); identify a position of each of the one or more fetal ultrasound transducers (41, 42, 43); generate an abdomen image with the transducer labels (41, 42, 43) positioned thereon based on the position of each of the one or more fetal ultrasound transducers (41, 42, 43); and a display device configured to display the abdomen image with the transducer label (41, 42, 43) for each of the one or more fetal ultrasound transducers (20a, 20b, 20c), and to display the fetal heart rate indicator (48a, 48b, 48c) in association with the respective transducer label (41, 42, 43). an ultrasound device configured to generate sound waves in the ultrasonic range and convert reflected sound waves into ultrasound data for detection of a fetal heart beat; a contact sensor configured to sense contact with a mother's abdomen and generate a contact indicator; a transducer identifier unit that communicates a transducer ID; a monitor configured to receive the ultrasound data, the contact indicator, and the transducer ID from the one or more ultrasound transducers, and comprising a transducer tracking module executable on a processor to: generate a transducer label (41, 42, 43) for each of the one or more fetal ultrasound transducers (41, 42, 43) (20a, 20b, 20c); associate the transducer ID for each fetal ultrasound transducer (20a, 20b, 20c) with the respective transducer label (41, 42, 43); determine a fetal heart rate based on the ultrasound data and generate a corresponding heart rate indicator (48a, 48b, 48c); identify a position of each of the one or more fetal ultrasound transducers (41, 42, 43); generate an abdomen image with the transducer labels (41, 42, 43) positioned thereon based on the position of each of the one or more fetal ultrasound transducers (41, 42, 43); and generate a transducer label (41, 42, 43) for each of the one or more fetal ultrasound transducers (41, 42, 43) (20a, 20b, 20c); associate the transducer ID for each fetal ultrasound transducer (20a, 20b, 20c) with the respective transducer label (41, 42, 43); determine a fetal heart rate based on the ultrasound data and generate a corresponding heart rate indicator (48a, 48b, 48c); identify a position of each of the one or more fetal ultrasound transducers (41, 42, 43); generate an abdomen image with the transducer labels (41, 42, 43) positioned thereon based on the position of each of the one or more fetal ultrasound transducers (41, 42, 43); and