Does it always affect pregnancy?

Dysmenorrhea is clinically divided into primary dysmenorrhea and secondary dysmenorrhea. If it is primary dysmenorrhea, it belongs to physiological symptoms and will not affect pregnancy. If it is secondary dysmenorrhea, it is mostly caused by women eating too much cold drinks, or it is caused by some gynecological diseases. This is easy to lead to infertility. Secondary dysmenorrhea occurs. It must be treated according to medical advice.