Female patient, 23 years old, married, and her period is regular. She has the symptom of irregular vaginal bleeding for 3 days. Which of the following examinations is the first choice

  • A: cultivation of the leukorrhea
  • B: ultrasound examination
  • C: urine pregnancy test
  • D: cellular pathological examination of the cervix
  • E: blood test

答案:

解析: