I can’t tell if I ovulated or was close to ovulating

So I had sex with my boyfriend for valentines weekend an we didn’t end up using protection an he believe he had came in me ... that Sunday I was having bad cramps so I took a ovulation test an couldn’t tell if I was ovulating or not which I was supposed to ovulate the next day which would be the 18th the first picture is when I took it and the bottom one is how it is now cause it getting old now