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Conceived in November: when is the baby due?

A baby conceived in November is due between 25 July and 23 August of the following year.

That is 38 weeks (266 days) after conception: a pregnancy is counted as 40 weeks from the first day of the last period, about two weeks before conception.

Calculate from
days

Usually 28 days. Count from the first day of one period to the first day of the next.

Calculated on your device. Nothing is sent.

Estimated due date

Enter a date to see your estimated due date.

Not medical advice. Every pregnancy is different: ask your midwife or doctor about yours.

Due date for each day in November

Due date for a conception on each day in November
ConceptionDue date
1 November25 July
2 November26 July
3 November27 July
4 November28 July
5 November29 July
6 November30 July
7 November31 July
8 November1 August
9 November2 August
10 November3 August
11 November4 August
12 November5 August
13 November6 August
14 November7 August
15 November8 August
16 November9 August
17 November10 August
18 November11 August
19 November12 August
20 November13 August
21 November14 August
22 November15 August
23 November16 August
24 November17 August
25 November18 August
26 November19 August
27 November20 August
28 November21 August
29 November22 August
30 November23 August

In a leap year, the date moves by one day when 29 February falls between conception and the due date.

Frequently asked questions

If we conceived in November, when is the baby due?

A baby conceived in November is due between 25 July and 23 August of the following year. The table on this page gives the due date for each day of conception, and the calculator works it out from your own date.

Why is the due date 40 weeks if the baby was conceived 38 weeks before?

Pregnancy is counted from the first day of the last period, about two weeks before ovulation and conception. So the 40 weeks include two weeks before the baby was conceived.

Will the baby come on the due date?

Probably not exactly. Only about 4% of babies are born on their due date, and most arrive in the two weeks before or after it. An early scan gives the most reliable date.