4 days late. negative hpt

I am now 4 days late on my period. My Cervix is unreachable..what I can feel very soft. my boobs.. especially today are super tender, right boob kind of painful. Vagina bone pain lol. I'm still having that today. I took an frer with fmu. and it came back negative or maybe a faint...so very faint line. I'm very unsure on it. I let the free dry for over an hour( I know your not suppose to but I took it out) to get a good picture. This morning I didn't eat anything and omw to work I was viciously nauseous. First time ever for that. Still no sign of af