What is a difficult transfer What is a difficult transfer? Analysis of 7,714 embryo transfers: the impact of maneuvers during embryo transfers on pregnancy rate and a proposal of objective assessment Alejandro Kava-Braverman, M.D., Francisca Martínez, Ph.D., Ignacio Rodríguez, B.Sc., Manuel Álvarez, M.D., Pedro N. Barri, Ph.D., Buenaventura Coroleu, Ph.D. Fertility and Sterility Volume 107, Issue 3, Pages 657-663.e1 (March 2017) DOI: 10.1016/j.fertnstert.2016.11.020 Copyright © 2016 American Society for Reproductive Medicine Terms and Conditions
Figure 1 Clinical pregnancy rate and OR of CPR with additional maneuvers. *Adjusted OR for ART (IVF/ICSI in fresh embryo transfer or frozen–thawed embryo transfer), number of transferred embryos, the day of ET, physicians who performed the ETs, embryo quality, and the interaction between age and technique. Fertility and Sterility 2017 107, 657-663.e1DOI: (10.1016/j.fertnstert.2016.11.020) Copyright © 2016 American Society for Reproductive Medicine Terms and Conditions
Supplemental Figure 1 Model for the objective classification of ET difficulty. Fertility and Sterility 2017 107, 657-663.e1DOI: (10.1016/j.fertnstert.2016.11.020) Copyright © 2016 American Society for Reproductive Medicine Terms and Conditions