Hi, I had a pregnancy scare about 17 days ago and i took plan B, I was wondering if i can take the test to be sure it worked today even though im ovulating

I took my EC an hour after condom failure, 5 days later i started bleeding, like i was having my period ( i got out of my period the day before i had intercourse), fast forward 3 days later and im still bleeding, is this normal? Also, when is a good time to take a pregnancy test to see if the pill w...