Subject terms
premenstrual syndrome, PMS
PREMENSTRUAL SYNDROME, PREMENSTRUAL SYNDROME (PMS), PMS
Lack of absolute treatment for premenstrual syndrome (PMS), its cyclic nature, considerable prevalence (70–90%), and its mental and physical burden imply necessity of effectiveness comparison of various treatments. Although antidepressant and hormonal drugs are well-known medications for PMS, in affected women who can’t tolerate, or don’t have compatibility or compliance with these drugs, other effective treatments have always been important concern. This study aimed to compare effectiveness of online positiveTrial registration: RCT registration number: IRCT20191231045967N1, Registration date:11/02/2020, Registration timing: prospective (IRCT | Survey the effect of vitamin D3 tablet intake, positivism group consulting with changing in life style in the treatment of premenstrual syndrome in women).