So lady's I need advice. ..

Ok I'm try to made this quick ...first let me say thanks for reading

Ok so I'm supposed to started my period on the 16th and today is da 19th so I'm two days late on Monday I had some spotting and then it turn Brown that night and was gone then nothing tuesday ....on Wednesday I notice some redd spotting so I'm like ok this it I'm start af I put a pad on just in case I started bleeding heavy like always so when I wake its clean there's nothing there ok today I started spotting again red and then Brown by night time I'm thinking this is it but I don't want to get my hopes up what do u ladys think plz I need advice should I wait or test thanks in an advanced