I've been on the mirena for 5 years, took it out Oct 4th then got a 3 day period on November 6th. As per my glow calendar it says I should be ovulating the 18th and even today says high change of pregnancy... problem is I have 0 CM.. nothing. So what do you think could be happening? I had CM in October I knew I was ovulating.. I'm just scared something is wrong.. any advice?