Features：
1. Model consist of 8 parts, demonstrate relationship
between fetus and uterus in 1st, 2nd, 3rd,4th,
5th,6th,7th month pregnancy, and twins course
in the 5th month. Display uterus, vagina, fetus,
umbilical cord, placenta, amniotic cavity, ovary,
fallopian tube and other structures
2. Material: PVC material, the model is placed on the
base