Inclusion Criteria:

- Age 18 to 45; The size of fibroid situated at anterior wall not lower than 2 cm in
MRI feature; The size of fibroid situated at posterior wall not lower than 4 cm in
MRI feature.

Exclusion Criteria:

- Cervical fibroids; Subserosal fibroids with pedicle, the width of pedicle≤ 2cm; Type
0 submucosal fibroids according to European Gynecologic Endoscopy classification;
Combined with acute reproductive inflammation, or other benign and malignant
gynecological diseases such as endometriosis, ovarian cancer; Pregnant (pregnancy
test is positive), and lactating women; Allergy to MRI contrast agent; The history of
collagen connective tissue, radiotherapy, especially abdominal radiotherapy; Surgical
and anesthetic contraindications such as serious cardiac, vascular and other systemic
diseases; Poor compliance; Patients who are not subject to experimental design.