Search results with tag "Fetal heart"

Review of Category I, II, and III Fetal Heart Rate ...

Fetal heart rate monitoring during labor was first described by Evory Kennedy, a British physician in 1833 (20). The fetoscope to detect the fetal heart beat was invented by David Hillis in 1917 and Joseph DeLee in 1922 (20). Phono cardiography to detect the fetal heart rate was developed in 1931 (20). In 1958 Edward

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