What should a girl do if she experiences vaginal pain and heavy bleeding for many days after her first time?

Patient's question:

Sure, here is the translation of the content you provided:
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Doctor's answer:

According to your description, you need to actively seek medical treatment at the hospital, undergo hemostatic therapy, and support nutritional therapy. Increase nutritional supplements, including vitamins and trace elements, and follow a diet that is easy to digest and absorb.