Premenstrual Syndrome: Reality, Symptoms, and Possible Causes

This chapter explores the reality of premenstrual syndrome (PMS) and the discomfort that some women experience leading up to their menstrual cycle. It discusses the robust evidence supporting the existence of PMS and explores the relationship between PMS and progesterone levels, suggesting that progesterone withdrawal could be a possible cause of these symptoms. The chapter also raises questions about certain behaviors during this time and their potential relationship to mating strategies and reproductive outcomes.