don't know what to think :(

Ch
So I took a test on 12/06 and the picture was the result , after 5 years of trying and several miscarriages also suffering from PCOS among other issues I couldn't believe my eyes so tested again on the 13/06 wanting to see them two lines again and got a BFN now taken 4 more tests since then and all been BFN :( anyone have any ideas or advice as to what's going on? X