The result showed that rates of total blastocysts (BLs), day 7 BLs and hatched BLs increased as the concentration of OCS increased from 0 to 2%, but these rates had a decreasing tendency when the concentration of OCS increased up to 50%.

• 结果表明，早期胚胎的总囊胚率及7天龄囊胚率随着OCS浓度从0到20%25的增加而提高。