Reduction in exposure of human embryos outside the incubator enhances embryo quality and blastulation rate  Jun Qiang Zhang, Xiu Ling Li, Yuzhu Peng,

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Reduction in exposure of human embryos outside the incubator enhances embryo quality and blastulation rate  Jun Qiang Zhang, Xiu Ling Li, Yuzhu Peng, Xirong Guo, Boon Chin Heng, Guo Qing Tong  Reproductive BioMedicine Online  Volume 20, Issue 4, Pages 510-515 (April 2010) DOI: 10.1016/j.rbmo.2009.12.027 Copyright © 2009 Reproductive Healthcare Ltd. Terms and Conditions

Figure 1 Good blastocysts: (A) 4 AA; (B) 4 AB; and (C) 4 BA, according to Gardner and Lane (1997). Reproductive BioMedicine Online 2010 20, 510-515DOI: (10.1016/j.rbmo.2009.12.027) Copyright © 2009 Reproductive Healthcare Ltd. Terms and Conditions

Figure 2 Good-quality embryos on day 3: (A) grade 1 and (B) grade 2. Reproductive BioMedicine Online 2010 20, 510-515DOI: (10.1016/j.rbmo.2009.12.027) Copyright © 2009 Reproductive Healthcare Ltd. Terms and Conditions