Hi and welcome to HCM.
Normal heart rate
for a fetus is from 120-180,so this is normal.
AFI mean amount of amnion fluid which is normally between 5cm-25 cm.
EFW is weight and this is also normal and appropriate for 27. week
Placent is developing fine, it should not be low or cover cervix
it is normal to have 3 vessels cord,2 arteries and one vein.
You baby is completely fine.Enjoy your pregnancy
. Wish you good health.