In preimplantation genetic diagnosis process, the sample is received through biopsy from normal embryos generated by IVF treatment and tested whether there is a genetic problem in embryos.

This treatment is applied in cases such as unsuccessful IVF treatment trials, recurrent miscarriages, that fact that parents-to be are genetic disease carriers, presence of structural chromosome anomalies in any of the parents-to-be, the fact that mothers-to-be are over 35 years old, or special gender preference.

After the test, the embryo or embryos not having genetic defect according to the test result is transferred and so, the probability of obtaining pregnancy increases to high rates.