My wife and I also found it terribly easy to conceive, to the point that after having three (all planned) kids altogether too easily, I got a vasectomy at age 3

My wife and I also found it terribly easy to conceive, to the point that after having three (all planned) kids altogether too easily, I got a vasectomy at age 30 so it would stop there. And I don't do anything to unduly avoid modernity and her sins, so here's an anecdote to run counter to yours.