You are missing the point, Void ( and we aren't even talking about economics!). The dependency period for human children is far greater than other mammals. Without constant attention we'd die. This is not something that ends at birth.
A woman who gives birth is making a long-term commitment to keeping that baby alive...and in some cases the father even hangs around.
A woman who gives birth is making a long-term commitment to keeping that baby alive...and in some cases the father even hangs around.