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Conceived in October: when is the baby due?

A baby conceived in October is due between 24 June and 24 July 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 October

Due date for a conception on each day in October
ConceptionDue date
1 October24 June
2 October25 June
3 October26 June
4 October27 June
5 October28 June
6 October29 June
7 October30 June
8 October1 July
9 October2 July
10 October3 July
11 October4 July
12 October5 July
13 October6 July
14 October7 July
15 October8 July
16 October9 July
17 October10 July
18 October11 July
19 October12 July
20 October13 July
21 October14 July
22 October15 July
23 October16 July
24 October17 July
25 October18 July
26 October19 July
27 October20 July
28 October21 July
29 October22 July
30 October23 July
31 October24 July

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 October, when is the baby due?

A baby conceived in October is due between 24 June and 24 July 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.