LNG-IUD (52mg)
LNG-IUD were inserted according to a standardized protocol in the outpatient department. Patients were in lithotomy position, after bimanual examination of the uterine size and position and cervix disinfection, the cervix was grasped with a tenaculum forceps and length of the uterine cavity was assessed and had to be between 6-10cm. The LNG-IUD was gently inserted after aspiration of the endometrium for histological examination. Correct location of the LNG-IUD was confirmed by transvaginal ultrasound.