And so when she pushes, what she does is she contracts her abdominal muscles. And along with the contraction of the uterine muscles, the combination of these two types of forces, these two types of muscles, basically push that fetus through the cervix, through the vaginal cavity and eventually to the outside environment. And then that individual, that fetus, is born. And we call that fetus a neonate. Now, what about stage three? Well, stage three lasts about ten to 15 minutes and this is known as after birth.