too early for a positive? please help me

kay • mommy of a 6 year old princess 👑 3 mcs ... and finally pregnant with rainbow 🌈🙏🏼 due Oct 2 -18

today i had a positive im 3 days late im happy but afraid at the same time because it can be a chemical 😐 or can it be a real positive? i had unprotected sex with my husband 4 days ago i think is too soon for a positive what yall think?