Function:
1. Consist of a female pelvis and two fetal heads.
2. Two fetal heads:one is full-term,the other is premature.
3. Each cranial sutures and anterior and posterior fontanels are palpable on fetal skull.
4. Fetal heads are fixed on flexible shaft through the pelvis.
5. Can observe the position relation of the fetus and pelvis during delivery.
6. Intuitionally demonstrate the birth process of engagement,descending,flexion,internal rotation,extension,restoration,external rotation and fetal delivery.
7. Can demonstrate forceps and vaccum assisted deliveries.
