Kazuo Maeda Author

Short Article Open Access

Reminiscence of Fetal Monitoring

Author(s):

Kazuo Maeda and Masaji Utsu

Fetal well-being was assessed by enlarging of pregnant abdomen and maternal perception of fetal movements during amenorrhea in old times. There was change to medical monitoring with stethoscopic listening to fetal heart sound after 20 weeks of pregnancy and palpating diagnosis of intrauterine fetus. Recognition of X-ray photo was rarely confirmed fetal position or fetal skeleton under concern on X-ray effect on the fetus. Fetal life was confirmed by appearance of fetal electrocardiogram on maternal limb leads with Seitengalvanometer, then changed to fetal electrocardiogram (FECG) at maternal abdominal surface using electric amplifier. Maeda reported it using handmade amplifier in 1950s. Objective fetal heart sound was also recorded using adult phonocardiographic microphone, transistor a... view more»

DOI: 10.4172/2327-4360.1000163

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