A review of basic immunology will be covered including an overview of the organs, tissues and cells that comprise the immune system, different forms of immunity and the basis of the immune response. The reproductive immunology segment will focus on antibodies associated with infertility and reproductive failure, and also will include properties of the immune system during pregnancy. Microbiology will be covered as it pertains to assisted reproductive technology, focusing on: (l ) causes of infertility may be transmitted in the assisted reproductive technology (ART) laboratory and (3) prevention of contamination in the ART facility.