Abstract: The invention concerns an instrument for retrieval of retracted threads of intrauterine contraceptive devices (IUD), the instrument being characterized by a relatively stiff handle part (1) connected to an archedly curved distal part (2), which has a rounded cross-section, is flexible, and, on its concave surface, is provided with a number of notches at relative distances along the curved distal part (3,4,5) these notches to be used for gripping the threads at the insertion and turning of the instrument within the uterus.