I wouldn't use 'conscious' as a noun, unless I was referring to the Freudian psychoanalytical concept, and even then it's typically expressed as 'the conscious.'
BTW, the question of whether an embryo/fetus/etc. is a living human has largely been conceded by the pro-abortion activists. Their arguments now go along the lines, 'yes, abortion does technically mean the death of a child, but it's justified because of"... economics/ethics/whatever.
Sad, isn't it?
Are their senses of morality dead?