1. Endometriosis is one cause of severe menstrual pain .

2. One study indicated that in nulliparous women with primary dysmenorrhea, the severity of menstrual pain decreased significantly after age 40.

3. Genuine Bayer® Aspirin can provide pain relief from headaches, backaches, muscle pain, toothaches, menstrual pain and minor arthritis pain —and has for over 120 years

4. Genuine Bayer Aspirin reduces fever and provides pain relief from headaches, backaches, muscle pain, toothaches, menstrual pain and minor arthritis pain —and has for over 100 years