What they say about cough medicines? That the whatever-g-ingredient the expectorant is thins out your mucuous and makes it a bit more watery and copious, so it's more easily expelled when you cough? And that it can affect all your mucuous, including cervical mucuous?
Yeah, um, that's true.
And kind of gross.
In case you needed that information.
Now you know.
I, however, do not recommend it as a course of action. Because, ew. And I've been shoving my fingers into my vagina to check that stuff on purpose for years now. YEARS. And still, ew.