I forgot to say that i dont get a period but maybe once a year with my IUD.
If you truly think you may be pregnant with an iud placed, you need to contact your ob/gyn. Pregnancy with an iud can cause serious complications for not only the fetus, but you too.
do you think a clearblue test would give a true answer?
Yes, it should. I have several friends with the iud and they were instructed to take monthly hpts while it's placed just in case. Were you not instructed to do this too?
Yes please please, take an hpt! Even if it says negative make an appointment with you ob/gyn and see what's up.