People aim at a number of surviving children rather than a number of births, so falling child mortality lets births fall without anyone wanting a smaller family.

Drawn from what Lyman Stone said

What these subjects mean

demographics Who there will be: birth rates, population decline, and what a shrinking cohort does to everything downstream.

family Children, partners and inheritance: the peak experience, and what to hand on.

What Lyman Stone actually said

Do you hold this korrent?Do you also believe this?

Shared subject first, then similar wording. They may agree or disagree.