Low human fetal heart rate variation in normal pregnancy.

Abstract

The fetal heart rates of 340 normal singleton pregnancies at 30-33 weeks gestation were screened using a microprocessor system on-line. Eleven fetuses (3.2%) with a heart rate variation less than the 5th centile were identified, of whom 10 were studied longitudinally. At 30-33 weeks the mean minute range of pulse intervals (a measure of fetal heart rate… (More)

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Cite this paper

@article{Smith1987LowHF, title={Low human fetal heart rate variation in normal pregnancy.}, author={Jacob H. Smith and Geoffrey S. Dawes and Christopher W. G. Redman}, journal={British journal of obstetrics and gynaecology}, year={1987}, volume={94 7}, pages={656-64} }