How much weight gain

I am 2 Weeks 3 Weeks 4 Weeks 5 Weeks 6 Weeks 7 Weeks 8 Weeks 9 Weeks 10 Weeks 11 Weeks 12 Weeks 13 Weeks 14 Weeks 15 Weeks 16 Weeks 17 Weeks 18 Weeks 19 Weeks 20 Weeks 21 Weeks 22 Weeks 23 Weeks 24 Weeks 25 Weeks 26 Weeks 27 Weeks 28 Weeks 29 Weeks 30 Weeks 31 Weeks 32 Weeks 33 Weeks 34 Weeks 35 Weeks 36 Weeks 37 Weeks 38 Weeks 39 Weeks 40 Weeks Pregnant, how much weight gain?