1. 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 (April 2010)
DOI: /j.rbmo
Copyright © 2009 Reproductive Healthcare Ltd. Terms and Conditions

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

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