Any idea ???

Today i got my bfp 💚💜 im a little confused as to my dates as i had a period 7th nov to 12th 3 days spotting bright red and then bit heavier for the rest i have no symptoms at all my period have been regular past 5 months it was suggested i had PCOS 6 months ago by my dr is it possible to get a bfp 6 days after ur last period sorry for going on but im driving myself mad lol