not sure help with ovulation test and preseed

Jenna
This is our 2nd month of TTC after we had a missed miscarriage in Dec 16 with triplets. I have been using the clear blue digital ovulation tests and the first month I got the flashy smiley face for 6 days before the solid smiley unfortunately we didn't conceive that month. I started again this month and only had two flashy smiley faces before the solid one. Can this be right? The only difference this month was we have tried the pressed lubricant the first night of the flashy smiley we used it then on the 3rd morning I got my solid - can the preseed mess with the tests???