Conceived in December? Here's Your Due Date
If you conceived in December, your due date will most likely fall between August 24 and September 23 of the following year.
| Conceived on December 1 | due around August 24 |
|---|---|
| Conceived on December 15 | due around September 7 |
| Conceived on December 31 | due around September 23 |
How it's worked out
A pregnancy lasts about 266 days from conception, so adding 266 days to the conception date gives the due date. If you only know the month, the 1st and the last day give you the range.
For an exact date, use the due date calculator with the first day of your last period.
Due Date Calculator: Estimate your due date from the first day of your last period.
Open the calculatorThis article is general information, not medical advice. Talk to a doctor or midwife about your own pregnancy or fertility.