Is it normal for menstrual cramps to come for a few days?

Dysmenorrhea, menstrual pain for a few days is generally abnormal.

Dysmenorrhea can be divided into primary dysmenorrhea and secondary dysmenorrhea. Primary dysmenorrhea is generally related to the increase in prostaglandin content in the menstrual endometrium. Pain symptoms generally last for 2-3 days and are usually not caused by organic diseases, so it can be regarded as a normal phenomenon

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