20世纪 70年代 ,胎儿心电监护广泛应用于临床 ,将死产率从 3‰降至 0 .5‰ [1 ] ,但 80年代经大宗调查后发现 ,胎心监护在未明显改善胎儿预后的同时却又大大提高了剖宫产率。随着胎心监护临床研究的进一步深入 ,对其应用 30多年以来的统计分析表明高达 1/ 3的胎儿在产程中表现 1970s, fetal ECG monitoring is widely used in clinical, the stillbirth rate from 3 ‰ down to 0.5 ‰ [1], but the 1980s after a large survey found that fetal heart rate monitoring did not significantly improve fetal prognosis At the same time, but greatly increased the rate of cesarean section. With further clinical studies of fetal heart rate monitoring, a statistical analysis of more than 30 years of its use has shown that up to one-third of fetuses perform in labor