You unilaterally declared foetuses have zero value to society though, that's distinct from value any individuals may give them. My point remains that if you think they have zero value to society,
why would you support society investing any resources in to protecting or supporting them?
This also raises the question of when you think an individual does gain value? I see no societal value difference between a nine-month foetus and a new-born baby. I feel that both have value due to their potential but if you're saying foetuses have zero value but (presumably) people have value at some point, there must be a point or process where you're saying that changes. As I said, I think this raises more questions than it answers.
I still don't really know what your position is. Why not drop the "pro-life" and "pro-choice" political trash and actually explain what you believe the legal, moral, social and practical situations should be in your own words. Note that can't be covered in a single sentence, let alone a single phrase.