Unexplained total abnormal fertilization of donor oocytes in ICSI with using spermatozoa from different patients.

In this report, we present a case of unexplained total triploidy of donor eggs fertilized by ICSI from four different male partners of different couples. Woman who served as a donor was 27 year old, had her own healthy child, and previously twice served as a donor with normal fertilizations and healthy baby born.