Girls, I don't know what to think about, I always had a lack of weight…

Girls, I don't know what to think about, I always had a lack of weight before pregnancy, at 167 cm I weighed 48-50, now I'm gaining weight, reached 59, the doctor said that it's too much, although the only thing that has rounded up during this time is my belly Here I don't know how not very want to sit on boiled chicken