HELP ME!!!

So I write a post around the 14th of October and haven't had my period well on the glow app where it says my period was late clicked on that and it moved it to the 17th of October annnnd still no period!? I don't have regular periods after my mirena removal seems like they get later and later and I'm having preg symptoms but the 14th neg preg test so no luck! Any advice from anyone with the same/similar problem?? I'm so lost and confused