当女婴出生以后，她的卵巢中存在着成千上万的卵细胞，然而直到她的青春期时这些卵细胞才变得活跃起来。
When a baby girl is born, her ovaries contain hundreds of thousands of eggs, which remain inactive until puberty begins.
目的探讨卵细胞第一极体形态与原核期受精卵形态、卵裂期胚胎质量的关系。
Objective To investigate the relationship between the first polar body morphology of oocyte and the zygote morphology in pronucleus stage, embryo quality in cleavage stage.
结论通过卵细胞第一极体形态可预测受精卵及卵裂期胚胎质量。
Conclusion Zygotes and embryo quality can be predicted by morphology of the first polar body.
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