Last pill of clomid was 2days ago tonight dull cramps yet negative opk?🤔🤔🤔

Melia

So I'm still on clearblue advance blinkey smile face and very light opk dip sticks so negative but this is alil weird for me bcuz my breast seem to hurt alil and I'm cramping so of I'm getting negative opks what can this mean? I ended my round of clomid two days ago.