5–6 (Group II): high complexity hysteroscopic myomectomy, consider preoperative GnRH analog and/or two-step resection; 7–9 (Group III): consider alternative to hysteroscopic technique.

for the unipolar resectoscope there are several operation possibilities for the intrauterine HF surgery, such as the hysteroscopic endometrium ablation, myoma resection, adhesiolysis or septum ...