临床上,早已沿用胎动来诊断妊娠,以及用初觉胎动时间来估计孕期。近年来,胎动计数又成为产前监护中首选的自我监护方法。它无需任何设备,简单易行,效果肯定。胎动正常,预告胎儿在子宫内安然无恙。胎动减少则是胎盘功能不良,胎儿慢性缺氧的一种表现,也是胎儿在宫内缺氧时为维持平衡的一种反应。据临床观察,发现胎心消失发生于胎动消失之后。一般来说,胎动从减少到消失大约要经历一周 Clinically, fetal movement has long been used to diagnose pregnancy, as well as the use of early fetal movement time to estimate pregnancy. In recent years, fetal movement count has become the preferred self-monitoring method in prenatal care. It does not need any equipment, easy, the effect is certain. Fetal movement normal, prenatal fetus in the womb safe and sound. Fetal motion loss is placental dysfunction, a manifestation of chronic fetal hypoxia, but also the fetus in the intrauterine hypoxia as a response to maintain the balance. According to clinical observations, fetal heart rate disappeared found disappeared after fetal movement. In general, fetal movement from reducing to disappear after about a week