Menstrual cramps have no medical complications in themselves, but they often interfere with school, work and social activities.
痛经本身不会有并发症，但是常常会影响到学习，工作及社交活动。
Many women experience menstrual cramps just before and during their menstrual periods.
很多女性在经期前或经期期间会有痛经的经历。
However, if menstrual cramps disrupt your life for several days a month or if you're older and just started experiencing severe menstrual cramps, see your doctor.
但是如果在每个月的那几天经痛会影响到你的生活或是你年纪大了才开始有痛经问题，请去看医生。
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