Help need a little hope ..

So my period is 2 days away been testing negative on all my strip tests today I went to the doctor for other reasons and they decided to do a blood test so I am anxiously waiting on the results they said either tonight or tomorrow they will come in could I be testing negative and still be pregnant I’m not nauseous but have been getting headaches and really tired lately for the ones who have received a BFP ( no sign of AF symptoms in sight ) after testing negative right before their period can u share ur stories trying to keep a little glimmer of hope alive for this cycle ❤️❤️❤️❤️