Dimensional incompatibility: A: Nova-T (CU 200 IUD) (A) penetrating through the endometrium into the muscle B: Penetration into the left tube, blocking the transfer of the dye. The transverse distance at the fundus uteri was 23 mm only determined with the Kurz-Cavimeter (The plastic body of the Nova T –length of transverse arm is 32 mm- is also used for the Nova T 380 and the levonorgestrel releasing IUS “Mirena” )
