IRCT20180218038789N4 IRCT 2020-10-28 Qazvin University of Medical Sciences Social network-based CBT for PMS Investigating the effect of social network-based cognitive-behavioral therapy intervention on the severity of PMS symptoms 2020-10-30 anticipated 140 Complete https://irct.ir/trial/51639 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Education/Guidance, Randomization description: Randomization will be done by balanced blocking method with a block size of 4. The block randomization method is such that the allocation sequence is written before the start of the research. Given that the two groups will be studied, 4 blocks are used and each letter is assigned to a group (A: intervention group: B control group). All possible modes are written and numbered for a block of 4. Then, in a simple random method (using a table of random numbers), a number of numbers are selected from the block numbers and by writing the contents of the blocks related to those numbers (until the specified sample size is reached), The random assignment sequence is specified. 3 Premenstrual Syndrome. Intervention 1: Intervention group: Cognitive-behavioral therapy based on social networks. Intervention 2: Control group: No intervention. Yes - There is a plan to make this available What will be shared: The study-related files will be shared as supplementary articles after the end of the studies and at the time of publication of the results When: after the end of the studies and at the time of publication of the results To whom: All individuals Conditions: In order to use the data for secondary data analysis or meta-analysis and by e-mail request to the responsible author Where to obtain: Email to the person in charge How to obtain: Email to the person in charge Comments: