why do i get back pain on my period

Back pain during a period is commonly caused by uterine contractions triggered by hormone-like chemicals called prostaglandins. These prostaglandins cause the muscles of the uterus to contract to shed its lining, which can lead to cramps and pain that radiates to the lower back. This type of pain is typical in primary dysmenorrhea, where it usually starts at the beginning of menstruation and improves as prostaglandin levels decrease. Additionally, severe or persistent back pain during periods may be linked to underlying conditions such as endometriosis, uterine fibroids, or infections. These conditions can cause more intense pain and may need medical evaluation. Hormonal changes during the menstrual cycle can also affect the ligaments around the spine, causing them to loosen and potentially lead to back pain. The pain can vary in intensity, from mild discomfort to severe. If the back pain is severe, consistent, or accompanied by other concerning symptoms, it is important to consult a healthcare provider to rule out underlying conditions and get appropriate treatment. In summary, period-related back pain mainly comes from uterine muscle contractions driven by prostaglandins and sometimes from other gynecological issues or hormonal effects on spinal ligaments.