period late??!!!???!??!?

[pinkroses]

Not sure what has happened. I got a coil fitted beginning of october last year and I came off the pill. My periods settled into the pattern of three weeks then my period.

Now, this month, it has been five weeks and still no period. I still make dh use condoms if we do anything, but we have once or twice...not!!

Why would it be late??? Is there anything else that could affect it other than being pg. I'm sure I couldn't be. It's the coil's job to stop pregnancies.

Anyone got any advice