The Birthing Stages Trainer allows the user to correctly practice assessing the progress of the birth by palpating. The trainer consists of a set of 6 inserts that show the level of cervical dilation and effacing. The inserts can be used both as stand-alone trainers and as an extension module for birth simulator. The inserts look the same from the outside, but indicate, using a number code on the back, the condition of the cervix on the inside. Included with the trainer are 6 birth stage inserts, a safety plate with 4 screws, lubricant and a carry bag.