How your baby is developing
Home
Page
Other pregnancy calculations
Work back from your due date
To calculate the expected date of delivery of your baby and how many weeks pregnant you are , please enter the first day of your last period using the drop down menu.YOU WILL NEED TO DO THIS BEFORE YOU DO ANY OTHER CALCULATIONS ON THIS PAGE .Click on the calculate button.
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
31
january
february
march
april
may
june
july
august
september
october
november
december
2008
2009
2010
2011
2012
2013
2014
2015
To know how pregnant you are at a future date please enter that date using the drop down menu
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
31
january
february
march
april
may
june
july
august
september
october
november
december
2008
2009
2010
2011
2012
2013
2014
2012
To know the date when you will be any given number of weeks pregnant please enter the number of weeks and days pregnant you will be
weeks
0
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
31
32
33
34
35
36
37
38
39
40
0
1
2
3
4
5
6
days
Please note that this calculator works on the principle of adding 280 days( 40 weeks) to the first day of your last period. Some doctors and midwives may come up with a slightly different date and remember that babies do not always come on the due calculated day.