I had two periods last month the first which is my usual day of the month of my 30 day cycle 12th-16th then again the 27th-30th it was alot heavier than usual ... then the 18th I had a egg white thick discharge cervix was high and open so I believe I ovulated fast forward to now I am officially 4 days late & 10 dpo with nausea ,mood swings,headaches,fatigue & sore breasts but I still get a negative how many days post ovulation can you get a result ?