5 days late on period and vvvvfl!!! has this happened to anyone?

Hi all. 
I am currently 5 days late on my period, took a early detection pregnancy test and got a vvvvv faint line. 
I am soooo worried as I have had 3 miscarriages this year and wanted to ask has anyone had a faint line this far past their period and gone on to carry past 6-12 weeks??? 
Please help