i am supposed to get my period on thursday (16th) its saterday(11th)i have had cramps like i’m getting my period for 5 days, its been a regular for the last 3 months but i think my birth control is not working with my body cuz i’ve had problems since i started it, my breasts heve been tender, could i be pregnant? I looked it up and its been 10 days since ovulation