During the fetalultrasound, pregnancies are evaluated for the presence or absence of specific ultrasound markers, or physical variations in development.
在胚胎超声检查中，胚胎的评估是通过特殊超声波标记的存在或缺失，生长的生理变化来进行的。
2
Expected normal median nasal bone measurements were established for an initial cohort of women receiving fetalultrasound examinations at 15-24 weeks of gestation.
对妊娠15 - 24周的妇女做胎儿超声，将正常中位鼻骨测量值作为一个原始参数。
3
The researchers documented the memory by watching fetal movements with ultrasound while they played "vibroacoustic" sound to the growing baby.