implantation bleeding with miss with slippery substance like ovulation

in the month of May before the month ended I was having abdominal pain me and my husband went for test and I was told we had staph infection we started treatment my period last only 3days which I assume it's 26 days cycle so my period should be on the 9th of June but my period didn't come so I took a pregnancy test which showed red line and a very faint line the next day which was yesterday I went for a blood test was told it's negative this morning I took another pregnancy test at home it showed just one red line after I slept and woke up to take shower when I washed my virginal I saw brown blood missed with slippery substance like ovulation it's kinda thick plz can any one explain thanks

Vote below to see results!