Get Relief From Period Back Pain Now
Lower back pain during your period, or primary dysmenorrhea, is caused by contractions in the uterus. Every month your body builds up a thick uterine lining (called endometrium) in preparation for a fertilized egg. If you don't become pregnant, estrogen and progesterone levels drop and cue your body to break down and detach the lining, and it does that by contracting. If your uterus contracts too strongly, it can press on nearby blood vessels, cutting off the supply of oxygen to the nearby muscles, which is the reason pain occurs in the abdomen and radiates to the lower back and even to the thighs.
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