![](/gfx/conceived.png)
When Did I Conceive if My Due Date Is September 20?
A calculator that calculates the day of conception based on due date.
If you do not know when you will give birth and you know the date of your last period, use the duea date calculator.
You conceived at December 29, 2023
You are 38 weeks and 1 day pregnant.
First day of Last Month Period (L.M.P.) was December 15, 2023
You are 38 weeks and 1 day pregnant.
First day of Last Month Period (L.M.P.) was December 15, 2023
Nearest calculation of days of conception based on day of birth
- When did I conceive if the due date is September 16?
- When did I conceive if the due date is September 17?
- When did I conceive if the due date is September 18?
- When did I conceive if the due date is September 19?
- When did I conceive if the due date is September 20?
- When did I conceive if the due date is September 21?
- When did I conceive if the due date is September 22?
- When did I conceive if the due date is September 23?
- When did I conceive if the due date is September 24?