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@Alec
From your link
www.brainblogger.com/2009/05/10/medical-controversy-when-does-life-begin
10/05/2009 · Although the fetus can move at week 14, the movements are little more than jerky reflexes. They are not driven by higher cortical functioning. Therefore, another school of thought is that life begins at week 20, when the thalamus is completely formed. The thalamus is the relay center of the brain, and helps to connect the cerebral cortex to the spinal cord and peripheral nerves.