Oh thank god it's not just me I am 166 cms tall and weighed 54 kgs before pregnancy, with my first i put on 12kilos, with my 2nd 30kg's!!! and i was massive, with this one i am not eating much but i have already put on 3kgs and i ahaven't hit the 4ths month yet! But i am not worried as i lost my weight with in 4 months of giving birth most of it is fluid retention.