saying a foetus is the same as a baby is like saying that an egg is a is the same as a chicken. your logic is flawed

A fertilized egg IS A CHICKEN. What else could it possibly be? Is there a hippopotamus inside that egg waiting to hatch?  A human fetus is a human baby…

ba·by (bb)

n. pl. ba·bies

1.

     a. A very young child; an infant.
     b. An unborn child; a fetus.
     c. The youngest member of a family or group.
     d. A very young animal.

2. An adult or young person who behaves in an infantile way.

3. Slang A girl or young woman.

4. Informal Sweetheart; dear. Used as a term of endearment.

5. Slang An object of personal concern or interest: Keeping the boat in good repair is your baby.