【摘要】目的：评价体外受精-胚胎移植治疗中卵子和胚胎质量对生化妊娠周期的影响。方法：选定20例体外受精-胚胎移植治疗中发生生化妊娠患者，选择40例获得单胚胎种植单胎妊娠分娩患者。结果：实验组卵子和胚胎质量更加理想，P<0.05。结论：改善卵子及胚胎质量，可提高体外受精临床妊娠率。

    【关键词】体外受精-胚胎移植治疗;卵子;胚胎质量;生化妊娠周期

    [Abstract]

    Objective：To evaluate the effect of egg and embryo quality on biochemical pregnancy cycle during in vitro fertilization and embryo transplantation. Methods：20 patients with biochemical pregnancy during in vitro fertilization and embryo transfer were selected ......