The blastocoele stage and trophectoderm morphology grade predict the pregnancy rate of blastocyst transfers. - Funabiki, M.; Taguchi, S.; Hayashi, T.; Tada, Y.; Iwaki, Y.; Karita, M.; Takano, T.; Amano, N.; Saji, F.; Young, L.K.; Nakamura, Y. (Fertility & Sterility, 2015)