Can anyone help

Beth

I’m 12/13 days late on my period and I had like implant bleeding or ovulation bleeding which was 2 days long maybe 1 1/2 days and no sign of period as I did a post and people said it could be the start of my period which nothing has happened more (I’ll post pictures in the comments) could anyone tell me when’s the best time to test as I’ve tested in the first 9 days I was late and it was negitive so if its implant bleeding when’s the best time to test as with my first I didn’t have bleeding and never had ovulation bleeding before thank you in advance