Assisted Reproduction Treatment (ART) is susceptible to the hazard of potential infection from many different sources: patients, samples, staff, and the environment. This practical book presents a basic overview of microbiology in the context of ART, and also constitutes an up-to-date guide to infections in reproductive medicine. The relevant facets of the complex and vast field of microbiology are condensed and focused, highlighting information that is crucial for safe practice in both clinical and laboratory aspects of ART.