As human body grows and develops, it follows a regular sequence of change Adolescence is the whole process of growing up from a child to an adult. Puberty is part of adolescence during which the body grows rapidly and changes shapes and boys and girls become sexually mature and able to reproduce. Reproduction is the job of the reproductive system. The female reproductive system is mainly with in the body, while much of the male reproductive system is outside the body. Care before and after child birth is required to ensure safe and healthy conditions of both the mother and baby. Gynecology is a concerned with the women's reproductive system and also deals with disorders such as infertility. Infertility is a very important health issue that needs immediate medical attention. Thus, reproduction is mainly dependent on certain healthy habits and number of other factors and involves the health of both men and women.