Rubbish. We both came up with a position that it is entirely subjective, there is no clear and obvious definition of human life. Yours wasn't anymore scientific than mine.
And I haven't assumed moral superiority at all, I have pointed out that anyone that thinks that they have the right to impose their moral values on others is a c*nt. I stand by that statement. I have no issue with people objecting to abortion, I have a serious issue with people controlling what others are able to do because of their moral values.