More a style of representation than a period the realism tries to reproduce reality true to life. There are many different forms of realism such like socialist realism, social realism, and magic realism.
This designates every representation of the nude human body. Since prehistoric time, humans, both male and female, have been depicted in all states of dress, including all states of undress. Nudity in all styles has been and continues to be found in art. The artistic interest focuses on the realistic representation of the correct human anatomy as well as the representation of the body in movement.