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2. Doppler fetal monitor - Wikipedia

   en.wikipedia.org/wiki/Doppler_fetal_monitor

   Doppler fetal monitors provide information about the fetus similar to that provided by a fetal stethoscope. One advantage of the Doppler fetal monitor over a (purely acoustic) fetal stethoscope is the electronic audio output, which allows people other than the user to hear the heartbeat. One disadvantage is the greater complexity and cost and ...

3. Sonicaid - Wikipedia

   en.wikipedia.org/wiki/Sonicaid

   Sonicaid developed a range of fetal monitors, notably the portable Doppler ultrasound products D102, D104 ("Pocket Sonicaid", winner of a Design Council Award for medical equipment in 1976 [2]), D205 [3] [4] and D206 which provided audible output of fetal heart sounds. The original design was due to Frederick (Doug) Fielder who was Sonicaid's ...

4. Cardiotocography - Wikipedia

   en.wikipedia.org/wiki/Cardiotocography

   External cardiotocography can be used for continuous or intermittent monitoring. The fetal heart rate and the activity of the uterine muscle are detected by two transducers placed on the mother's abdomen, with one above the fetal heart to monitor heart rate, and the other at the fundus of the uterus

5. Pinard horn - Wikipedia

   en.wikipedia.org/wiki/Pinard_horn

   A Pinard horn is a type of stethoscope used to listen to the heart rate of a fetus during pregnancy. It is a hollow horn, often made of wood or metal, about 200 millimetres (7.9 in) long. It functions similarly to an ear trumpet by amplifying sound. The user holds the wide end of the horn against the pregnant woman's abdomen, and listens ...

6. Doppler ultrasonography - Wikipedia

   en.wikipedia.org/wiki/Doppler_ultrasonography

   Doppler fetal monitors, although usually not technically -graphy but rather sound-generating, use the Doppler effect to detect the fetal heartbeat for prenatal care. These are hand-held, and some models also display the heart rate in beats per minute (BPM). Use of this monitor is sometimes known as Doppler auscultation.

7. Phonocardiogram - Wikipedia

   en.wikipedia.org/wiki/Phonocardiogram

   These fetal phonocardiograms can be analyzed to detect any abnormalities in the fetal heart. Fetal phonocardiography has become an important tool in prenatal care, as it allows clinicians to detect and monitor potential heart problems in the fetus before birth. [10] The use of phonocardiography to study the fetal heart dates back to the 1960s ...