SOME ADVICE !!

So im TTC for 3 months now .. 2 months i was regular had unprotected sex and i did get my period .. but this month i was 2 days late (which usually dont miss my period) and i had some simptoms from my past period like backche strange stomach acne all over weeks insomnia .. and i was supose to get my period 28 june and i did take a test and it was BFN!.. then 29no period and 30 june i got it .. but 4 days before my period i had white egg transparent dischargee..so what do you think why did i get late period and discharge ?.. (and when i got my period it was like brown with pink at first and then after 4 hours it was red) ?