What are the main topics covered in Unit IV of the textbook?

Unit IV covers normal labor and birth, including maternal and fetal adaptations, assessment, comfort and pain management, and nursing interventions for each stage of labor and birth.

Unit IV: Labor and Birth opens by explaining the normal labor and birth process and the adaptations made by both the mother and fetus. It then addresses the nurse's role during normal labor and birth, covering maternal and fetal assessment, pharmacologic and nonpharmacologic approaches to comfort and pain management, and specific nursing interventions used during each stage of labor and birth.