... period of embryo 胚胎期 period of fetus 胎儿期 period of formal operations 形式运思期 形式运思期 ...
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During the whole of gestation period, the nutrition of fetus is ingested by the blood circulation between maternal and fetus.
在整个妊娠期间，胎儿的营养摄入主要是通过母子血液循环获得的。
It was showed that the neuron density during the growing period of human fetus decreased as the illinear form, especially 6 month.
结果显示：锥体层神经细胞密度随胎龄增长呈非直线型下降，尤以6月龄组下降最为明显；
The position of the fetus are exceptionally many when the gestation period inspection was discovered.
胎位异常多在孕期检查时被发现。
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