can some one explain it to me why life started in prenatal development??

Answer 1

http://www.babycenter.com/fetal-development-images-2-weeks

Answer 2

Life rally starts at conception. In prenatal development, the fetus is growing and developing rapidly. The fetus receives food from the mother and releases waste to mom and it is released when mom has a bm.The fetus is a living being even though it is not viable unless it remains in the uterus.