1. Limited importance of pre-embryo pronuclear morphology (zygote score) in assisted reproduction outcome in the absence of embryo cryopreservation 
Alessia Nicoli, B.Sc., Barbara Valli, B.Sc., Roberta Di Girolamo, B.Sc., Barbara Di Tommaso, B.Sc., Andrea Gallinelli, M.D., Giovanni B. La Sala, M.D. 
Fertility and Sterility 
Volume 88, Issue 4, Pages (October 2007)
DOI: /j.fertnstert
Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Representation of pronuclear morphology scoring system describing the size and location of nucleoli. (A) Pronuclear morphology score Z1. (B) Pronuclear morphology score Z2. (C) Some pronuclear morphologies score Z3.
Nicoli. Zygote score and ART results. Fertil Steril 2007.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions