Published online by Cambridge University Press: 24 December 2019
At least 50% of couples referred for infertility investigation and treatment are found to have a contributing male factor. Male factor infertility can represent a variety of defects, which result in abnormal sperm number, morphology or function. Detailed analysis of sperm assessment and function are important for accurate diagnosis, and are described in detail in numerous textbooks of practical andrology and semen analysis. A comprehensive review of semen analysis is beyond the scope of this book, and only details relevant to assisted conception treatment will be described here.