I am 40 y.o. and got MIrena IUD inserted last October (2002).
It is almost February 2003 and I have problems with moodiness and Depression too.
I dont know if this is related to IUD and I will check with my gynecologist soon. I have been waiting for the 3 months of adjustment. If these symptons are not gone by mid-february, I will contact my doctor, have a conversation and, if necessary, remove it.