体外培养是体外授精 胚胎移植 (ＩＶＦ ＥＴ)程序中承前启后的关键步骤 ,培养条件直接影响着精卵结合及受精后早期胚胎的发育 ,进而影响最终的胚胎移植 (ＥＴ)成功率。目前用于体外培养的有多种 ,本文对Ｂ2和ＥＢＳＳ两种培养液应用于人卵子及胚胎体外培养液效果进行比较和分? In vitro culture is a crucial step in the process of IVF ET. The culture conditions directly affect the development of early embryos after sperm-egg combination and fertilization, and then affect the success rate of final embryo transfer (ET). Currently used for a variety of in vitro culture, in this paper, B2 and EBSS two culture medium applied to human eggs and embryos cultured in vitro to compare and effect?