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
What is the ratio of placental weight to fetal weight at term ? 
Select and explain. 
A. 1:04, B. 1:05, C. 1:06, D. 1:07
C: 1:06
Answer: C: 1:06 
Explanation: Placenta weighs 500 gm, the propoion to the weight of the baby being roughly 1:6 at term and occupies about 30% of the uterine wall.