Hello I would really appreciate any help or advise .. I'm ttc I'm in cycle day 16 I think

. I'm normally very irregulars but I have just got my copper coil out during my last period which I started on the 23rd of July I have been coming on my period I know for sure after the 20th of every month so I'm thinking that I'm a 31 day cycle problem I'm having is last couple of days I have been seeing what I think is ewcm sorry for the tmi .... but all my ovulation tests are negative I also normally used to get a pain in my overy around time if ovulation and I haven't felt that for the whole time my coil was in but I felt it 2 days ago im using the clear blue digital one I'm also having what feels like period type pains for two days but I'm not due my period yet I'm sorry if I'm not making my self clear or it sounds about confusing can any one help thanks