Am I prégnant or just late !

Hello Familly , I have a dilemma . I took clomid for the first time and now my period is 2 days late. I never been late before.
I took a pregnancy tests but its negative . 
I read somewhere that I might try again in two weeks for the test.
In the mid time I see just tiny bit off spotting on my undy .
I am very confuse help !!!👏🏾👏🏾👏🏾👏🏾