This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Fetal marker of growth restriction in USG is 
Select and explain. 
A. AC, B. AFI, C. FL, D. BPD
A: AC
Answer: A: AC 
Explanation: One of the most frequent perinatal complications in high‐risk pregnancy is fetal growth retardation. 
The aim of the study was the development of instrumental and laboratory criteria for the development of placental
insufficiency and IUGR on a preconception stage and in the early stages of gestation.