Lower abdominal pain, with a small amount of blood appearing, what is the cause? What disease?

Patient's question:

Patient Gender: Female
Detailed Condition and Purpose of Consultation: To understand the cause
Duration of Current Illness: One week
Current General Condition: Pain
Medical History: Previous history of trichomoniasis vaginitis
Previous Diagnoses, Treatments, and Outcomes: Generally

Doctor's answer:

Hello: According to the situation you described, your condition is indeed very likely to be a symptom of certain gynecological inflammation infection. Therefore, it is recommended that you should actively go to the hospital for an ultrasound examination to rule out the possibility of cervical erosion, and then determine the specific treatment and medication.