We've been over this before, and I explained to you quite clearly that development is not the only reason why a fetus doesn't qualify as human. You can stop kicking the strawman now.
I apologize, but post liberal communitarians and eccentric classical liberals are almost certainly incapable of even sharing a moral language, in no small part due to the latter’s rejection of The Good.
Nevertheless, as I recall you brought up two points: the first is dependency, in which humanity and dependency are exclusive. The ontology of the two are such that I fail to grasp how they can be exclusive unless by human we mean an independent human, and unfortunately for liberals, there is no such thing. “All men are caught in an inescapable network of mutuality, tied in a single garment of destiny. Whatever affects one directly, affects all indirectly.” (Dr. King) If this were true, those farmers you are dependent upon for life could logically kill you as you are dependent upon them. At the very least, parents could kill an infant which is utterly dependent upon them.
The second was something such as self awareness and a sense of pain, which develop over time in degree but not in kind. This does not save you, either, from being able to justify why we should not kill a baby born at 20 weeks but it should be legal to kill a baby unborn at 24 weeks.