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
Intervillous space placenta contains howmuch blood - 
Select and explain. 
A. 50 ml, B. 100 ml, C. 150 ml, D. 200 ml
C: 150 ml
Answer: C: 150 ml 
Explanation: Ans. is 'c' i.e., 50 mlVolume of blood in mature placenta500 ml Volume of blood in intervillous space 150 ml Blood flow in intervillous space500 - 600 ml/ minPressure in intervillous spaceDuring uterine contractionDuring uterine relaxation 30-50mmHg10-15mmHgPressure in the supplying uterine aery70-80 mmHgPressure in the draining uterine aery8 mmHg