A birth simulator assembly for simulating operative vaginal delivery, said birth simulator assembly comprising a female pelvis with a sacrum portion of the spinal column and a symphysis pubis, a fetal head adapted for rotation and linear movement through the female pelvis an electrically-powered linear actuator connected to the fetal head, a force sensor connected with fetal head, wherein the force sensor communicates to the motion controller a signal indicating a force applied to the fetal head, and a motion controller for controlling the motion of the linear actuator, wherein the motion controller is adapted for communication with a computer.