I need a adult to talk too

Sarah

Hi , So My name is Makayla, I haven’t had my period for 4 -5 days now i took a test Came back negative but i light bleeding started .. I wanna take another test but i don’t know if i should wait till after .. this stage or go ahead in take one.. i took one today around 6:45 pm please help im 17 and scared to tell my mom , im also cramping but its not painful at all and normally painful i have to take atleast 4 tylenols. please help me .