Period cramps hurt because of a chemical called prostaglandin, according to the Cleveland Clinic. During the period, this chemical causes stronger uterine contractions. This, in turn, restricts the supply of oxygen to ne... More »

Most women experience painful periods when the womb's muscular wall contracts and presses against the blood vessels, which, in turn, restricts the flow of oxygen to the womb, causing pain that can spread to the back and ... More »

The amount of pain experienced when getting a tattoo varies depending on one's threshold of pain, as well as on the location and size of the tattoo. What one person claims is painful will not necessarily hurt someone els... More » Beauty & Fashion Body Art Tattoos

Prostaglandins are hormones released before the period that, when in the bloodstream, cause nausea, diarrhea, cramps and aches, according to Molly O'Shea, health expert at U by Kotex. However, the Period Vitamin also sta... More »

Menstrual cramps can cause lower back pain during a woman's period, according to the National Institutes of Health. Painful menstrual periods are either primary or secondary dysmenorrhea. Primary dysmenorrhea is normal p... More » Health Women's Health Menstruation

According to Mayo Clinic, you can relieve period, or menstrual cramps with over-the-counter pain relievers, prescription nonsteroidal anti-inflammatory drugs and oral birth control pills, depending on the severity of the... More »

Women can take a pain reliever, such as acetaminophen, ibuprofen or naproxen sodium, to stop menstrual cramps, preferably at the onset of a menstrual period or cramps, explains WebMD. Some women find relief with a heatin... More »