At conception, the sperm and egg meet and this is believed by some to be the beginning of life. By 4 weeks, the embryo has implanted in the uterus and the placenta and umbilical cord have begun developing to provide nutrients and remove waste. The early stages of development involve cell division and differentiation as the embryo begins to take shape.
2. Conception: The first stage is conception. This is the moment when the sperm and egg meet. Catholics and Orthodox Christians believe life begins here... Do you think this is the beginning?