If PGD (preimplantation genetic diagnosis) is to be used as well, egg fertilization is done via ICSI to avoid harmful interferences with PGD outcomes.
In IVF procedures, a percentage of the sperms that tried to penetrate the egg remain adhered to its surface. As a result, some of their genetic material could be incorporated into the sample during the embryo biopsy for PGD, which could alter the final result of this technique.
Read the full article on: Intracytoplasmic sperm injection: What is ICSI and how much is it? ( 22).
Rebeca Reus
BSc, MSc
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).