I need help with changing my amount of weeks pregnant.

Jessica Larée • Juiceboxbaby😘

Glow calcyates from the 1st day of your last period which puts me @ 5 wks & 4 days pregnant when i know exactly without a doubt i got pregnant on the 2nd if October which makes me only 3 weeks & 1 day pregnant.i didn't even have sex 5 weeks ago lol!