EDD (CONFUSE)

Sino po dito yung same case ko? Iba iba yung EDD. Naka 4x nako ultrasound yung 1st ultrasound ko s EDD is (Nov 2, tpos Oct 24 then 3rd Oct 20, yung last ko ultrasound kahapon is Oct 13) --- PS: January 13 po last mens ko.