I Had My Iud Copper Coil Removed On The 20th

I had my iud copper coil removed on the 20th of October and the last time I had a period was the 20th September and I still haven't had a period yet. I have no tell tale signs that I'm going to start ie sore and swollen breast or cramps which I get every month. Is this normal, it's coming up to 8 weeks since my last period