The vast majority of abortions are performed between the seventh and tenth week when the baby is already sucking his thumb, recoiling from pricking, responding to sound. All his organs are present, the brain is functioning, the heart is pumping, the liver is making blood cells, the kidneys are cleaning fluids, and there is a fingerprint. His genetic code is uniquely and unquestionably human. And, if we are willing, he can be seen by ultrasound.
John Piper