[Development of the trendgram display for fetal heart rate and studies on its changes].
D003201:Computers; D003626:Data Display; D005260:Female; D005316:Fetal Distress / Q000175:diagnosis; D005323:Fetal Monitoring / Q000295:instrumentation*; D006340:Heart Rate, Fetal; D006801:Humans; D008838:Microcomputers; D010927:Placental Insufficiency / Q000175:diagnosis; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000295:instrumentation*; D014590:Uterine Contraction