What are the best cases for hysteroscopy?

Abnormal uterine bleeding before and after menopause;

Diagnosis or decision on whether submucosal fibroids or endometrial polyps can be removed from the cervix;

Positioning or removal of the lost IUD;

Evaluation of images of uterine cavity abnormalities in hysterosalpingogram;

Evaluation of abnormal uterine echoes or mass lesions of ultrasound;

Diagnosis of uterine cavity adhesions and trial isolation;

Examination of cervical canal or intrauterine causes of multiple recurrent miscarriages or failure of pregnancy;

Examination of unexplained infertility for intrauterine causes;

Early diagnosis of endometrial cancer, etc.