Endometriosis Foundation of America: "Consider Endometriosis" (pdf).<br> American College of Obstetricians and Gynecologists: "Endometriosis Fact Sheet" (pdf).<br> Pond5.<br> AudioJungle.
You don’t have to tough out painful periods and severe cramps. Be honest with your doctor, so she can tell if a condition like endometriosis is causing it.