It depends on each case. If an sperm per each egg available for fertilization is obtained, then there are chances for success. Conversely, if no alive spermatozoon is collected, ICSI cannot be performed.
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).