Here is weight gain chart by week in pounds.

week lower limit upper limit
===== ======= ======
8 0.25 2.25
10 0.75 3
12 2 4
14 3.5 5.5
16 5.5 8.5
18 8 11.5
20 10.5 14.5
22 12.5 17.5
24 14.5 20.25
26 16.5 23
28 18.25 25
30 20 27
32 21.5 29
34 23 30.25
36 23.5 31.5
38 24 32
40 24 32.5

arshiya replied. hi Anu,

I am starting my 18th week now, and I have hardly gained 4 lbs. I am worried now, is this normal? or is this chart pretty accurate? Do I have to worry about my weight since I have only gained 4 lbs?
Please reply.
Arshiya
Anu replied. girls, sorry for the bad alignment. I tried my best to align. Even after that everything is messed up.

Second try <:-)


First trimester - 3 to 4 pounds
Second trimester – 12 to 14 pounds
Third trimester – 8 to 10 pounds
Total 25-30 pounds*

0-10 weeks-No weight gain
10-14 weeks-3 to 4 pounds
14-20 weeks-4 to 6 pounds
20-30 weeks-10 to 12 pounds
30-36 weeks-6 pounds
36-38 weeks-2 pounds
38-40 weeks-Almost no weight gain


More detail breakup.

week-lower---upper limit
8----0.25--- 2.25
10---0.75--- 3
12---2------ 4
14---3.5---- 5.5
16---5.5---- 8.5
18---8------ 11.5
20---10.5--- 14.5
22---12.5--- 17.5
24---14.5--- 20.25
26---16.5--- 23
28---18.25-- 25
30---20----- 27
32---21.5--- 29
34---23----- 30.25
36---23.5--- 31.5
38---24----- 32
40---24----- 32.5