Today i hv gone fr my colour droppler ultrasound according to my LMP my 36 week is going on and in my reports according to USG it is showing more growth nd 38 week running.lower normal

Amniotic fluid b/w 10 to 11 cm.placents anterior grade 3.

Umbilical artery end diastolic flow present .

Reversal of end diastolic flow absent .what does it mean.

Sub optimal position of fetus .

Pls suggest is it all okk.or ny thng to ponder about.