Human reproduction: Normally begins with copulation

Human reproduction normally begins with copulation, though it may be achieved through artificial insemination, and is followed by nine months of pregnancy before childbirth. Human reproductive system, organ system by which humans reproduce and bear live offspring. This open textbook is designed to provide a deep understanding of the biological and biomedical aspects of human reproduction , covering a wide range of topics from basic reproductive biology to clinical applications. Humans reproduce sexually by the fusion of male and female gametes produced in their respective reproductive system. The gametes in male and female are sperm and egg that are formed in the primary sex organs called testes and ovaries, respectively.