@Lillian I don’t like to go by that because I ovulate towards the end of my cycle. My last period was October 8th and I ovulated on the 29th (I track my ovulation using the strips).
So I would go by 14 days back behind 29 lol
So I’m gonna guess July 22
https://www.babycenter.com/pregnancy-due-date-calculator this website lets you use the conception date to calculate your due date
When was your first day of your last period