weight gain ?

Hunter
I know everybody is different but everywhere I read says how by this time you've probably gained and stuff. I lost 16 lbs my first trimester, which I know is normal but my doctor was hoping after 14 weeks to see scale go up. I'm now 18 weeks 1day and I was staying steady at the 16lbs down I was and now I've lost another 2 lbs? I still get morning sickness but not like before. Is it normal I lost another couple pounds and I'm not gaining at all? My next appointment is June 13th