Due or born in February: when was the baby conceived?
A baby due in February was most likely conceived between 11 May and 7 June of the year before.
For a baby born in February at full term, from 37 to 42 weeks, conception was most likely between 27 April and 28 June of the year before.
Most likely conception date
Enter a date to see when conception most likely happened.
Not medical advice. Every pregnancy is different: ask your midwife or doctor about yours.
Conception date for each day in February
| Due date or birthday | Conception, for a due date | Conception, for a birth at 37 to 42 weeks |
|---|---|---|
| 1 February | 11 May | 27 April to 1 June |
| 2 February | 12 May | 28 April to 2 June |
| 3 February | 13 May | 29 April to 3 June |
| 4 February | 14 May | 30 April to 4 June |
| 5 February | 15 May | 1 May to 5 June |
| 6 February | 16 May | 2 May to 6 June |
| 7 February | 17 May | 3 May to 7 June |
| 8 February | 18 May | 4 May to 8 June |
| 9 February | 19 May | 5 May to 9 June |
| 10 February | 20 May | 6 May to 10 June |
| 11 February | 21 May | 7 May to 11 June |
| 12 February | 22 May | 8 May to 12 June |
| 13 February | 23 May | 9 May to 13 June |
| 14 February | 24 May | 10 May to 14 June |
| 15 February | 25 May | 11 May to 15 June |
| 16 February | 26 May | 12 May to 16 June |
| 17 February | 27 May | 13 May to 17 June |
| 18 February | 28 May | 14 May to 18 June |
| 19 February | 29 May | 15 May to 19 June |
| 20 February | 30 May | 16 May to 20 June |
| 21 February | 31 May | 17 May to 21 June |
| 22 February | 1 June | 18 May to 22 June |
| 23 February | 2 June | 19 May to 23 June |
| 24 February | 3 June | 20 May to 24 June |
| 25 February | 4 June | 21 May to 25 June |
| 26 February | 5 June | 22 May to 26 June |
| 27 February | 6 June | 23 May to 27 June |
| 28 February | 7 June | 24 May to 28 June |
In a leap year, the date moves by one day when 29 February falls between conception and the due date or birth.
Frequently asked questions
If our baby is due in February, when did we conceive?
A baby due in February was most likely conceived between 11 May and 7 June of the year before. That is 38 weeks (266 days) before the due date. The table on this page gives the date for each due date in the month.
Born in February: when was the baby conceived?
For a baby born in February at full term, from 37 to 42 weeks, conception was most likely between 27 April and 28 June of the year before. For a birth at exactly 40 weeks, it is the same date as for a due date that day.
Can a conception date settle a paternity question?
No. This is the textbook estimate. It cannot know your cycle, when you actually ovulated or how the pregnancy was dated, and it is not precise enough to tell apart two dates a few days apart.