Does HPV vaccine cause prolonged periods?

Under normal circumstances, hpv vaccination does not affect menstruation, but some women in hpv vaccination will not show a prolonged menstrual period, this situation can be temporarily observed. If only in the initial vaccination showed a prolonged menstrual period, gradually return to normal, do not need special treatment. If persistent menstruation is prolonged, it is likely to be caused by other reasons, such as hormone level disorders, organic diseases, etc., should go to the hospital for detailed examination, such as hormone six examinations and abdominal b-ultrasound examination, and targeted treatment after clear reasons.