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Premenstrual Syndrome (PMS); Premenstrual Syndrome / Pms 

 

Premenstrual stress syndrome (PMS, also called Premenstrual stress, Premenstrual tension, PMT and premenstrual syndrome) is stress which is a physical symptom prior to the onset of menstruation.

Cyanocobalamin, also known as Cobalamin or vitamin B12, is a chemical compound that is needed for nerve cells and red blood cells, and to make DNA. It is a water-soluble organometallic compound with a trivalent cobalt ion bound inside a corrin ring.