Sex education (sexual health) should be based on scientific knowledge, freely and easily accessible to everyone and to be comprehensive. We often underestimate the benefits of sex education (sexual health) and every individual in our society has a different or wrong belief about it. It’s the utmost need for every child to have a safe childhood. Unfortunately, even adults of our society lack basic knowledge about sex education. “Little knowledge or false knowledge is always dangerous” This book is made to answer the curious minds, who are searching for answers on the internet/digital media. This book is useful for school and college students, teachers, parents, guardians, NGOs, health professionals.