Can anyone help me? Really confused never had this befor?

I really don't know where to start, but cut a long story short, 2weeks ago tomoorw, i went for a reading out the blue etc, n she randomly siad u are pregnant but have only just caught, i was really happy n obviously didn't have my heart set on it, so afew days after that I started doing tests, quite faint to begin with, last week got 1 really strong one, of the cheppies, as clear blue are still neg, but I am still not happy? I am still doing them thinking they will go stronger but they aren't, they are all still faint, just want that Strong line, or clear blue, i am nervous as has miscarriage last yr n just hoping it isn't 1 of them again, i am sure last week while I was at work I felt implantation pains like I habw feel with my other 2, i am really unsure what to do:(( anyone had this befor? I was due on 24th, as far as I know as my periods have been messed up, came off 27th Dec xx