Menstrual cramps are sharp pains in a woman's lower abdomen that occur when her menstrual period begins and may continue for two to three days. Symptoms can range in severity from a mild annoyance to severe pain that interferes with normal activities.
Menstrual cramps are the leading cause of absenteeism in women younger than 30. Although over half of women who have menstrual periods experience some discomfort, 10% are temporarily disabled by symptoms.
Women’s Health Slideshows
From fighting fatigue to keeping your weight in check, look and feel better with these visual guides to better understanding your health.
Prostaglandins are chemicals a woman's body produces that cause many of the symptoms associated with menstrual discomfort. The tissue that lines the uterus makes these chemicals. Prostaglandins stimulate the uterine muscles to contract. Women who have high levels of prostaglandin may experience more intense contractions of their uterus and more pain. Prostaglandins may also be responsible for vomiting, diarrhea, and headaches that accompany painful periods.
Other menstrual-type cramps can be caused by conditions of the reproductive tract, such as the following:
If a woman has had menstrual pain ever since her periods started, the condition is classified as primary dysmenorrhea. If a physical condition such as pelvic inflammatory disease or endometriosis has developed and is causing the pain, this is called secondary dysmenorrhea. Once the medical condition is treated, the menstrual pain usually goes away.
Symptoms of Menstrual Pain
In addition to cramps in the lower abdomen, a woman may also experience some of these symptoms with menstrual cramps: