A 32 primi came at 28 weeks having contractions , her examination 3 weeks ago was pretty normal so as the baby too , u did a CTG ,
What is the best test to be done to reveal the problem of the baby and give a clue about early intervention to save it?
a. Fetal blood sampling
b. Mother serum for Ig anti D titration
c. B HCG
d. Ultrasound
e. Amniocentesis