When does a fetus become a person?

Daniel Pouzzner douzzer.mit.edu
Mon Feb 17 11:45:21 EST 1997

Neurobiologically, a fetus becomes a person at about 9 months
post-natal, or 18 months after conception.  This is because the need
for the woman to be capable of efficient locomotion precludes
enlargement of the cervix to a large enough diameter to permit
complete maturation of the child's brain in the uterus; among
placental mammals this species-wide premature birth situation is
unique, I believe.

-Daniel Pouzzner

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