Ovulation test

Can a ovulation test detect a pregnancy?? Let me said this I was late on my AF for 6 days I got a bfn and one of those test a vfl I got a blood test and it came out negative too but I started spotting light pink second day my flow was a little more but darker for half day and I started spotting again my 3 day spotting pink and very light 4 day nothing today it supposed to be my 5 day cycle I took a ovulation test and it came out vfl or I’m going to start my ovulation sooner glow said i don’t start my fertility window within 13 days