The most commonly used method to assess embryo viability is morphological grading, however, it alone can only provide a partial evaluation of embryo potential development.
形态学分级是胚胎评分最常用的方法，但它只反映了胚胎发育潜能的一部分。
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Objective to study the effect of different brainstem auditory evoked potential (BAEP) grading standards on the evaluation and prognostic prediction of cerebral dysfunction.