Suggest Treatment For Delayed Periods With Cramps

im 19 my last period started may 27 it usually last for 7 days and it usually comes at the end of the month about the last week of the month and it usually starts at the beginning of the week i think it was supposed to start last sunday or monday but it hasnt yet and for about the last three days i would have brief mild cramps they d last for a moment then go away i took a midol for them could my period just be late? i dont have any symptoms like nausea or sore breasts or anythng