Normal pregnancies, on average,
last about 40 weeks (280 days).
On the calendar below, enter the first day
of your last normal menstrual period:
<
September 2010
>
Su
Mo
Tu
We
Th
Fr
Sa
29
30
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
6
7
8
9