ultrasound

Ask kulang po mamshe may possibly po ba ultrasound mag kamali kasi I have transv ultrasound but the counting is my due date is January 1 St but ganun may last ultrasound this month I'm almost 31 weeks and that 4d ultrasound and said my ob I need to get cs schedule in Nov 29 Kasi po daw placenta previa totalis po akoa but my counting I'm still 7 months now next month is 8 months .