if it was urgent they'd try to get you in sooner than next week hun

try not to stress
I agree.

They can't tell you anything over the phone I don't think, even if it's something minor - mine won't even tell you if results are negative.
I was going to say could be just your hormones are a bit out of whack? It might ot even be related to the Mirena, could be a hormone thing that would have popped up anyway if that makes sense.
Hope it is all ok for you