围产期常规B超检查可帮助了解胎儿各时期的生长发育情况,还可较早的发现异常妊娠,给予适时纠正处理。B超的优点是简单易行,安全可靠,对母儿无创伤,且可代替过去很多复杂费时的生化检查。对具有高危因素的孕妇同时做胎儿电子监护以了解胎儿的储备能力,为临床提供参考,实为一种简单且使用性很强的监护方法。 Perinatal routine B-ultrasound can help understand the growth and development of the fetus at various times, but also found that abnormal pregnancy earlier, to give timely correction. B has the advantage of easy, safe, reliable, non-invasive on the mother and child, and can replace the past a lot of complex and time-consuming biochemical tests. Pregnant women with risk factors at the same time do fetal electronic monitoring to understand the fetal reserve capacity for clinical reference, in fact, is a simple and highly user-friendly monitoring methods.