Pregnancy Embryo Development Process Model (8 pieces/set)

Main function: This model is composed of 8 models of embryonic development process of pregnancy, one, two, three, four, five, six and seven months embryos and five-month twins. The fetus of the two-month twin model can be taken out, and the structure of the uterus, vagina, fetus, umbilical cord, placenta, amniotic cavity, ovary and fallopian tube can be displayed.