How many Weeks Pregnant am I

How many weeks am i if my due date is 20th Sep 2023
My due date is 20th Sep 2023 - how many weeks am I and when did I conceive?

You are: 15 Weeks 1 day Pregnant
Womb Gestational growth Starts Dec 14, 2022*

More about your Due date 20th Sep 2023
* Approximate based on real samples