National Geographic: In the Womb Multiples
Student Worksheet
The Inside the Womb series by National Geographic follows the development of a new embryo through birth. This documentary specializes in twins, triplets, and quadruplets -- how they are conceived, how the uterus accomodates them, and what determines whether they can be born naturally or through Caesarean section. The use of 4D scanning also enables the viewer to see how the fetuses interact with each other while they are in utero.
Essential concepts: Reproductive system, fertilization, twins, triplets, quadruplets, pregnancy, childbirth.
Answer Key: Available at the Scribd Store.