Why I fully support every person having access to family planing methods as I don’t think anyone should be having children they don’t want, the relative cost of

Why I fully support every person having access to family planing methods as I don’t think anyone should be having children they don’t want, the relative cost of children would still cause differential changes to the population even if 100% of people had health care access. Children are much more expensive to the highly educated, both directly through things like housing and education, and indirectly via opportunity costs. The more expensive you make something the less of it will be consumed unless it is a Veblen good.