The phenomenology of premenstrual syndrome in female medical students: a cross sectional study.

Background: The premenstrual syndrome (PMS) is particularly common in the younger age groups and, therefore represents a significant public health problem in young girls. This study aims to estimate the prevalence, severity, determinants of premenstrual syndrome (PMS) and its impact among the female medical students in Al-Ahsa, Saudi Arabia.

Methods: This study was performed at the College of Medicine, King Faisal University, Saudi Arabia, from June through December 2009.