“…Various studies have explored factors associated with stress and PMS, including age; race; BMI; marital, educational, employment, and socioeconomic status; smoking; alcohol consumption; caffeine intake; contraceptive use; gravidity; age of first menarche; menstrual patterns; psychological comorbidity; history of abuse; type of diet; degree of physical activity; sleep quality; and perception of general health (Bunevicius et al, 2012;Da Silva, Gigante, & Minten, 2008;Gollenberg et al, 2010;Lustyk et al, 2012;Masho et al, 2005;Pilver, Levy, Libby, & Desai, 2011;Sadler et al, 2010;Yamamoto et al, 2009). Although an ovulatory menstrual cycle is considered important to manifest PMS symptoms, only six studies discussed the ovulatory cycle and documented hormonal ovulation (Girdler et al, 2001;Klatzkin et al, 2006;Laessle et al, 1990;Lustyk et al, 2012;Woods et al, 1998).…”