Immunology of Gametes and Embryo Implantation

Infertility is an increasing problem in many societies. The success rate of assisted reproduction is still below 30%, although the treatments and techniques have improved continuously. An important but often underestimated aspect of fertility and infertility is the immunology of gametes and the early embryo. Sperm is a potential target for autoimmunity in men and alloimmunity in women, but physiologically, such immunoreactions do not occur. Although the preimplantation embryo is semiallogeneic t