hello i am now 10 days late and yesterday i have the tinyest bit of pink brown dischagre i am going to do another peg test on sat morning anyone got any advice thanks

hello can anyone help 2 weeks after my period i have 2 days of really light bleeding on and off and now i am 7 days late for my period done a home pregnancy test and come back neg i have had headaches sooo tired and having little cramping feels like i am going to start my period but no sign of it starting when would the best time to do another peg test thanks :)