Simulator systems including a maternal simulator and a fetal simulator are provided. In some instances, the maternal simulator includes a chamber sized and shaped to receive a fetal simulator and a birthing mechanism disposed within the chamber for providing rotational and translational movement to the fetal simulator in a birthing simulation. In some instances, the fetal simulator is configured to be selectively, fixedly engaged with a locking mechanism of the maternal simulator such that the fetal simulator is not removable from the maternal simulator during the birthing simulation when fixedly engaged with the locking mechanism and the fetal simulator is removable from the maternal simulator during birthing simulation when not fixedly engaged with the locking mechanism.