Abstract
Effective fetal monitoring is an important guarantee for fetal health and early treatment. Fetal movement is one of critical indicators of fetal monitoring, which plays an important role in fetal health. Counting the number of fetal movement by pregnant women is a traditional method for long-term monitoring. However, there are many defects in pregnant women’s feeling count, which cannot meet the accurate requirements of modern perinatal medicine. With the rapid development of biological and electronic technology, various sensors are used to probe the fetal dynamic monitoring, but not on fetal movement. This research proposes a monitoring method for fetal movement via three electrodes. Briefly: first, three electrodes are used to extract electrical signals in the abdomen of pregnant women; second, these signals are amplified and filtered; third, A/D converter with microprocessor is used to make analog digital conversion, which can be stored in the SD card under the control of the microprocessor; finally, the SD card data are processed by computer software and the fetal movement information is analyzed.
Highlights
Fetal health is highly concerned by family and society
Fetal movement is a critical indicator of fetal monitoring which plays an important role in fetal health
The Doppler ultrasound monitoring and fetal movement used in hospital is relatively mature, it cannot be used for long-term monitoring of domestic fetal movement monitoring
Summary
Fetal health is highly concerned by family and society. Effective fetal monitoring is an important guarantee for improving fetal health and early treatment [1]. The traditional methods for fetal movement monitoring mainly compose of number counting by pregnant women and hospital no load test (NST). The method is designed to predict a week of 20 minute fetal movement and fetal heart monitoring which is prone to false positive; second, this test requires repeated ultrasonic monitoring of pregnant women for accuracy, which might induce subjects with conflict of emotion; Most important, the long-term use of Doppler ultrasound is controversial on whether the fetus may get hurt, which could be a damage to the health of fetus [8] [9]. The Doppler ultrasound monitoring and fetal movement used in hospital is relatively mature, it cannot be used for long-term monitoring of domestic fetal movement monitoring. Three electrodes are used to extract electrical signals in the abdomen of pregnant women; Second, these signals are amplified and filtered; Third, A/D converter with microprocessor is used to make analog digital conversion, which can be stored in the SD card under the control of the microprocessor; the SD card data is processed by computer software and the fetal movement information is analyzed
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