Late againšŸ˜¬

My period is 15 days late and Iā€™m wondering wtf, I was on depo at 16 and got off at 18 in January 2018 was my last depo shot and I didnā€™t have a period the whole time and I am now 19 scared I canā€™t have kidsšŸ¤·šŸ¾ā€ā™€ļø and wondering if Iā€™m pregnant this time but every time I wonder itā€™s negative šŸ™„ but this time Iā€™m hungrier and my stomach is always hurting and sometimes feel like Iā€™m going to throw up but donā€™t šŸ˜‘ HELP!!