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Conceived in August: when is the baby due?

A baby conceived in August is due between 24 April and 24 May 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 August

Due date for a conception on each day in August
ConceptionDue date
1 August24 April
2 August25 April
3 August26 April
4 August27 April
5 August28 April
6 August29 April
7 August30 April
8 August1 May
9 August2 May
10 August3 May
11 August4 May
12 August5 May
13 August6 May
14 August7 May
15 August8 May
16 August9 May
17 August10 May
18 August11 May
19 August12 May
20 August13 May
21 August14 May
22 August15 May
23 August16 May
24 August17 May
25 August18 May
26 August19 May
27 August20 May
28 August21 May
29 August22 May
30 August23 May
31 August24 May

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 August, when is the baby due?

A baby conceived in August is due between 24 April and 24 May 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.