My period keeps going back a few days each month since the beginning of the year. in addition i have extreme symptoms of pms that affect my quality of life. my question is what would cause my period to keep moving back? and how can i mitigate the extreme

Get eval: PMS Tx: NSAID’s, SSRI’s, hormone meds, OTC meds containing diuretics, warm bath, heating pad, exercise & acupuncture are excellent for PMS. Avoid caffeine, chocolate, alcohol & salt. Get GYN eval to R/O underlying pathology. Consider omega- 3 fatty acids, magnesium (supplementation or through diet) or Black Cohosh with dr ok. Sipping Chamomile can dissipate pain.