When can i try again my test?

Hii!! Well im trying to have a baby.. so i’ll been working hard haha, the point is my fertility window just finished yesterday.. but im feeling rare.. i took a plan b sept 27th because i remove my IUD that day.. n sep 29 i got my period (7 days) since that day till yest i been having sex wirth my husband every single day 😂😂 (i knooowww) the point is i been feeling my breast bigger n senstive (4days now) and sick at morning ..🤢 so i decide to try a test toysay.. (negative resoult).

I dont know if im tooo early or im just having this because of the plan b pill..

When should i try again? Or do u guys think i can possible be prg?

Thank you for ur time!!