The study of child development is of immense importance to those dealing with children, either as parents or teachers. Starting from the prenatal embryonic stage, the book traces the development of a child not only in physical field but in intellectual (cognitive), emotional (co-native), social and moral fields too, as they all make the important aspects of a child's personality. Besides, the role of nature and nurture has been highlighted since the prenatal stage to that of adolescence. Child development refers to the sequence of physical, language, thought and emotional changes that occur in a child from birth to the beginning of adulthood. During this process a child progresses from dependency on their parents/guardians to increasing independence. Child development is strongly influenced by genetic factors (genes passed on from their parents) and events during prenatal life. It is also influenced by environmental facts and the child's learning capacity. Child development can be actively enhanced through targeted therapeutic intervention and the 'just right' home based practice, recommended by Occupational Therapists and Speech Therapists. Child development refers to the biological and psychological changes that occur in human beings between birth and the end of adolescence, as the individual progresses from dependency to increasing autonomy. Because these developmental changes may be strongly influenced by genetic factors and events during prenatal He, genetics and prenatal development are usually included as part of. The study of child development. This book is intended to ease the task faced by researchers, instructors, and students who are confronted by the vast amount of research and theoretical discussion in child development and behaviour.