Coming off the pill to conceive

So about 3 weeks ago I came off my pill, we have been having sex for just over 2, I’ve had no signs of my period (which I never had on my pill). I’ve had a few pregnancy symptoms (which could be very physiological) but I have no idea where in my cycle I am? Have I missed my period because I did get pregnant quick? Should I be worried I’ve not had it yet? I know the body takes him to adjust after but I’ve always had very heavy and regular before the pill? Help!