1. A clinically useful simplified blastocyst grading system
Alison Richardson, Sophie Brearley, Saran Ahitan, Sarah Chamberlain, Tracey Davey, Lyndsey Zujovic, James Hopkisson, Bruce Campbell, Nick Raine-Fenning 
Reproductive BioMedicine Online 
Volume 31, Issue 4, Pages (October 2015)
DOI: /j.rbmo
Copyright © 2015 Reproductive Healthcare Ltd. Terms and Conditions

2. Figure 1
Implantation, clinical pregnancy and live birth rates according to embryo grade on day 5. CAV, cavitating, comp, compacting; NS = not significant. *P < 0.05; **P < 0.01.
Reproductive BioMedicine Online  , DOI: ( /j.rbmo )
Copyright © 2015 Reproductive Healthcare Ltd. Terms and Conditions