Background
Primary dysmenorrhea, pain
VITAMIN D DEFICIENCY, PATHOLOGY, PRIMARY DYSMENORRHEA, COMPLICATIONS
Primary dysmenorrhea is defined as pain occurring with menses in the absence of pelvic pathology [Non-steroidal anti-inflammatory drugs (NSAIDs) and oral contraceptive pills (OCPs) are recommended as first-line medication for pain management. However, complications and dissatisfaction with them are prominent [Vitamin D deficiency is prevalent in most countries [The active form of vitamin D can reduce prostaglandin production in the endometrium and limit its biological activity by affecting prostaglandin receptors [