no af but no bfp

Ke

aunt flow was supposed to of come 3 days ago and she still hasn't shown her ugly face yet.. not been getting a symptoms like I normally do to say she will be coming anytime soon either.. boobs are very heavy and sore and have been for a couple weeks now.. the slightest little knock and I no about it 😢 just done a pregnancy test and it's a bfn.. so what is happening.. will it be too early to test or am I just late .. I don't no.. I really want a beautiful baba 😟