Infinite economic growth depends on women having babies above replacement. Therefore, the economic value of a woman having three babies is virtually unlimited, and the economic destruction of a woman having less is also unlimited (when projecting far enough into the future).
It really makes you wonder if some actors would feel a need to exercise control over this scarce and limited resource...
That's the basic background in the book The Handmaids Tale, but ironically the book might be used to fearmonger against anyone trying to incentivize births.