If people stop having children because they have enough, rather than because they are biologically unable to have more, this should have at least a counter-dysgenic effect
Unless high-IQ women stop because they had enough and low-IQ women stop because they are biologically unable to have any more—in which case the effect will be dysgenic.
Unless high-IQ women stop because they had enough and low-IQ women stop because they are biologically unable to have any more—in which case the effect will be dysgenic.