Tanong kulang po bakit pa iba iba result ng ultrasound ko

First ultrasound February 4 2020 EDD: SEPTEMBER 25 2ND ULTRASOUND JULY 14 2020 EDD: SEPTEMBER 29 NGAUN 3RD ULTRASOUND KO SEPTEMBER 14 2020 EDD: AUGUST 8 2020 ALIN PO TOTOO JAN NALILITO NAPO AKO DIKO NAMAN PO MATANDAAN LAST MENSTRATION KO #advicepls #1stimemom #firstbaby