© 2019 AAGL Study Objective: To demonstrate our technique for hysteroscopic resection of the complete uterine septum. Design: Step-by-step description and demonstration of the procedure using pictures and video (educational video). The video was approved by our hospital's Ethical Committee. Setting: Uterine malformations represent a rare, yet usually asymptomatic condition that can be associated with poor obstetric outcomes. The European Society for Gynaecological Endoscopy(ESGE)/European Society of Human Reproduction and Embryology (ESHRE)classification is widely accepted for the description of female genital tract anomalies. Treatment of the uterine septum should be considered if fertility is desired, with hysteroscopic resection the gold standard procedure. Intervention: A patient with a U2bC2V1 malformation according to the ESGE/ESHRE classification was treated with hysteroscopy. The procedure was performed in the operating room under general anesthesia using a 9-mm hysteroscope with a bipolar cutting loop. Surgery began with resection of the vaginal septum with monopolar electrosurgery until the cervix was visualized. A Foley probe was placed in 1 uterine hemicavity, and then hysteroscopy on the other hemicavity was performed. Transrectal ultrasound guidance was used to identify the limits of the septum and thereby enhance the safety of the procedure. Resection of the septum started in the upper part until the Foley probe was seen, then continued downward until internal cervical orifice was reached. In the hysteroscopic follow-up after 3 months, we visualized a small residual septum that was resected to fully restore the uterine cavity and improve the patient's obstetric outcomes. The procedure was completed without complications, and a second-look hysteroscopy showed a normal uterine cavity. Conclusion: The combination of real-time ultrasound guidance and placement of an intrauterine balloon through the cervix may increase safety during the procedure by providing clear visualization of the uterine cavity and septum border during resection.