​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​I got this yesterday, today ive been feeling lower back/abdomen pains, like im about to come on? My af was due yesterday...do i need to worry?