Worried sick

So I have three children already and the implant in my arm and took it off in May I'm very fertile and I just got off my period last week according to the ovulation calendar my most fertile days were from July 30-August 3 which was yesterday well August 2nd my husband came in me and we forgot to use a condom like it was amazing sex and we got caught up in the moment scared I may be pregnant does anyone know if I may be preggo due to the fact these are my fertile days?