1. Transvaginal versus transabdominal ultrasound guidance for embryo transfer in donor oocyte recipients: a randomized clinical trial 
Daniel Bodri, M.D., M.Sc., Ph.D., Marta Colodrón, M.D., Désirée García, Pharm.D., Albert Obradors, M.Sc., Ph.D., Valérie Vernaeve, M.D., Ph.D., Oriol Coll, M.D., Ph.D. 
Fertility and Sterility 
Volume 95, Issue 7, Pages e1 (June 2011)
DOI: /j.fertnstert
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Transvaginal ultrasound image of the uterus after injecting the embryos with the Kitazato ET Long catheter.
Fertility and Sterility  , e1DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2 Patient flow according to the CONSORT statement flow diagram.
Fertility and Sterility  , e1DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions