I once had a student who said she was offended when I said something along the lines of "The data shows that employed women have lower fertility rates."

As I probed into her question, I realized that when regular people hear the word fertility, they think of the ability to have children. But when social scientists hear it, they think the act of having children, whether by choice or otherwise.

So, just an interesting note for those of us "in the profession" that we can get so caught up in our own jargon that we forget how it sounds to outsiders.