Absolutely yes. The chances for pregnancy with poor quality blastocysts are lot, but they exist. Pregnancy is possible as well.
Read the full article on: What is long embryo culture and blastocyst grading? ( 36).
Degree in Human Biology (Biochemistry) from the Pompeu Fabra University (UPF). Official Master's Degree in Clinical Analysis Laboratory from the UPF and Master’s Degree about the Theoretical Basis and Laboratory Procedures in Assisted Reproduction from the University of Valencia (UV).