Fetal Development (2896) This model shows the process of fetal development from the unfertilized ovum to the 9th month of gestation. The model consists of 5 parts, mounted on a board that corresponds to the following developmental stages: ovulation, fertilization, zygote formation and uterine implantation. The fetus is also shown at 4 weeks, 8 weeks, 12 weeks and 9 months of development. Mounted on board. Size: 53x38x5 cm -Weight: approx. 2000 g Qty :