Who was rosemary and what was her fate?

Rosemary is a character from the novel "Rosemary's Baby" by Ira Levin. She is a young woman who becomes pregnant after moving into a new apartment with her husband, only to discover that her pregnancy is part of a sinister plot involving a satanic cult. Ultimately, Rosemary gives birth to a child who is revealed to be the offspring of the Devil, and she is faced with the harrowing choice of accepting her child's true nature or fighting against the forces that seek to control her life. Her fate leaves her in a state of conflicted maternal love and Horror.