Normal?

Love

So I found out I was pregnant at 5w and I was 275lbs I went to the doctor last week at 27w 3d and I was 283lbs weight was taken around 2ish maybe 3 went back today to hear blood test results and I'm 279lbs taken around 1145ish.... i didnt eat anything both days before being weighed.... my doctor says everything is fine but I just wanna know have you ladies heard of this?