what do you all think? positive responses please :/

 
Guys I'm 10dpo I got high fertility on the 11th and peak on the 12th of dec. I bd on the 12th and everyday up using pre seed and taking prenatals. I've had negative pregnancy tests up to this day.. Maybe a few faint lines but probably evaps I kept testing with multiple tests and got nothing...what do you guys think ? I'm supposed to have my period the 28th I've had cramps today and I just have that feeling I'm coming close to starting..do you guys think I'm completely out of luck? I just wanna give up on trying there's nothing more I wanted than to find out around xmas im pregnant