BFP since 10DPO untill 16DPO BFN!

Socheata • Mummy to be ♥️👶🏻👶🏻 👶🏻🤰🌈

I got bfp every test and digital since 10DPO today 16DPO it's BFN what happened to me is it chemical pregnancy? Could it turn back positive or my period going to come?