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The fetal heartbeat is shown in orange, uterine contractions are shown in green, and the small green numbers (lower right) show the mother's heartbeat. Cardiotocography sound Schematic explanation of cardiotocography: heart rate (A) is calculated from fetal heart motion determined by ultrasound, and uterine contractions are measured by a ...
A Doppler fetal monitor, informally known as sonicaid (generic trademark), is a hand-held ultrasound transducer used to detect the fetal heartbeat for prenatal care. It uses the Doppler effect to provide an audible simulation of the heart beat.
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 ...
Sometimes we listen to the fetal heart rate with the Pinard, but if the woman is very sensitive, and it bothers her to push into her belly with the Pinard horn, then we use the Doppler. But the Doppler often transmits a lot of noise; it gets confusing. So better with the Pinard. [3] A Pinard horn may be used to determine the position of the fetus.
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The FDA discourages its use for non-medical purposes such as fetal keepsake videos and photos, even though it is the same technology used in hospitals. [ 27 ] The American Institute of Ultrasound in Medicine recommends spectral Doppler only if M-mode sonography is unsuccessful, and even then only briefly, due to the acoustic intensity delivered ...
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As The New York Times reported, the original video was actually taken down in 2021 after the Davies-Carr family sold it for over $700,000 as a Non-Fungible Token.