Under this circumstance, besides perfecting the technology itself, the assisted multi-fetal reduction technologists should try their best to avoid the occurrence of multi-fetal pregnancy.
目前，生殖医学工作者的当务之急除了提高减胎技术的安全性有效性，最重要的问题还应该集中于减少辅助生育技术带来的多胎妊娠。
Objective: To investigate the clinical significance of the reduction or disappearance of fetal heart rate -baseline variability.
目的：探讨胎心率基线变异减少或消失的临床意义。
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