Due date changed

Keda

Well my due date changed today went to my docs appointment today and measured 15 wks and 2 days instead of 13 wks and 2 days was due September 20th now I’m due September 7th smh my lil bundle of joy was just jumping around she/he would not let the doc know what they were so now I have to wait until I’m 20wks to find out they say.........Anyone else have this happen??