It is one of the sperm selection techniqes. It is called magnetic cell sorting system. It allows the healthy sperms to be separated from damaged sperms and can help in improving pregnancy rate.
It is indicated where
1. Semen analysis showing high level of DNA fragmentation.
2. Couples with history of repeated miscarriages.
3. Couple with one previous treatment cycle, with poor embryo quality not attributed to the oocytes.