Can Some please Assist me I'm So Confused!

[lanaboss16]

Hi I'm 20yrs I have a regular 28days cycle one the 2nd of June me an my fiancé had unprotected sex every other day after that and he came in me every single time a week later I experienced a brown discharge wit no odor it lasted for 2days on the second day of that I saw blood wen I wiped but the blood also had no odor and was a very small amount but it wasn't red like a period now I'm experiencing lower back aches short breath,  mood swings lower abdomen pain frequent peeing nausea tiredness and I missed my period 2ays now can I be pregnant I took a test an it read negative

[Daniela1522]

probably you are you are just to early to read a positive answer