Yes, but it's too simple. At some point, we say the shoot from an acorn has become a small tree and the cashew nut is a baby person. The question is when?
It's okay with me that people come up with different answers. But I think you want to be cautious about where the line is drawn.
Obviously, I think the people who say day of conception are being religious, not cautious. But as you see in other countries, people have a variety of ideas about the proper line.