1. Transfer of two versus three embryos in women less than 40 years old undergoing frozen transfer cycles 
Inna Berin, M.D., Lawrence L. Engmann, M.D., Claudio A. Benadiva, M.D., David W. Schmidt, M.D., John C. Nulsen, M.D., Donald B. Maier, M.D. 
Fertility and Sterility 
Volume 93, Issue 2, Pages (January 2010)
DOI: /j.fertnstert
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Overall clinical pregnancy rates in two- versus three-embryo groups.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Multiple clinical pregnancy rates in two- versus three-embryo groups.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions

4. Figure 3 Live birth rates in two- versus three-embyro groups.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2010 American Society for Reproductive Medicine Terms and Conditions