It can be assumed a high incidence of chromosomal abnormality among the patients who underwent ICSI cycle after searching the current literature. The huge amount of these abnormalities consist of low grade mosaicism. Besides adequate follicular response, the rate of fertilization failure is high in these group. If pregnancy achieved, spontan abortion usually occurs. Oocyte donation can be most appropriate treatment choise in some selected patients.
Keywords: 45, X/46, XX- total fertilization failure- oocyte donation- repetead IVF failure