Eligibility
death, anxiety, Premenstrual Dysphoric Disorder, anemia, depression, low mood, diabetes
THYROID DISEASE, PMS, STRESSFUL EVENTS, ANEMIA, DISORDERS, PARATHYROID DISEASE, MALNUTRITION, SEPARATION, DIABETES
The inclusion criteria for eligibility in the study were as follows: Women between 20 and 40 years old, living in the city of Arsanjan, having two consecutive menstrual cycles per year with at least five PMS symptoms, one of which is low mood and these symptoms begin in the second half of the menstrual cycle and improve after menstruation, experiencing at least a 30% increase in the severity of symptoms in the 5 days before menstruation according to the PMS calendar, not participating in another relevant study until the end of the current study period, having regular menstrual cycles, and having 25-hydroxyvitamin D3 level less than 30 ng/ml for vitamin D3 tablet group, not having self-reported disorders such as depression, anxiety, malnutrition, anemia, thyroid disease, diabetes, use of birth control pills, history of parathyroid surgery or parathyroid disease, not use of any herbal medicine to affect PMS symptoms, not treatment with antipsychotic drugs and other non-pharmacological methods, not participation in another relevant study until the end of the current study period. The exclusion criterion was having very sever PMS in the form of PMMD (Premenstrual Dysphoric Disorder). Withdraw reasons are stressful events, such as the death of close relatives, spousal separation, failure to attend two or more intervention sessions.