孩子的诞生培训资料.doc

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1、__________________________________________________孩子的诞生下面是一对夫妇的热辐摄影一个吻的热辐摄影性激素本帖隐藏的内容精子卵细胞子宫颈输卵管卵细胞和精子____________________________________________________________________________________________________精子在输卵管_____________________________________________________________________________

2、_______________________数百万的精子进入YD游向子宫颈开口____________________________________________________________________________________________________精子进入卵子的瞬间____________________________________________________________________________________________________5-6天受精卵来到子宫并发育成囊胚，已经包含许多细胞__________

3、__________________________________________________________________________________________8天，囊胚着床，已经稍稍建立起它的根据地____________________________________________________________________________________________________4周_________________________________________________________________________

4、___________________________6周____________________________________________________________________________________________________7周____________________________________________________________________________________________________10周___________________________________________________

5、_________________________________________________16周____________________________________________________________________________________________________19周____________________________________________________________________________________________________20周___________________________

6、_________________________________________________________________________20周____________________________________________________________________________________________________脚的胚胎____________________________________________________________________________________________________心脏细胞拉

7、古诺头发(1965)________________________________________________________________________________________________________________________________________________________________________________________________________一九六五年的《Life》封面，尼尔森以此成名_____________________________________________________

8、_____