Longitudinal surface measurements of human blastocysts show that the dynamics of blastocoel expansion are associated with fertilization method and ongoing pregnancy

• Main Authors: Eva S. van Marion (Author), Effrosyni A. Chavli (Author), Joop S. E. Laven (Author), Régine P. M. Steegers-Theunissen (Author), Maria P. H. Koster (Author), Esther B. Baart (Author)
• Format: Book
• Published: BMC, 2022-03-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Abstract Background Despite all research efforts during this era of novel time-lapse morphokinetic parameters, a morphological grading system is still routinely being used for embryo selection at the blastocyst stage. The blastocyst expansion grade, as evaluated during morphological assessment, is a...