Have i dropped or shrunk?

To the doctors measurements I have not gotten any bigger since 28 weeks. She said this at my 30 w apt and said shed give it another two weeks until my 32 w apt. And that if I don't grow anymore then shell be concerned. Well first picture is 28 w and second picture is 32 w I see doctor tomorrow. Have I just dropped or am I shrinking and why am I not growing anymore. FTM please share if you've experienced something similar ?