This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Anatomy
A case of 35 week pregnancy with hydromnios and marked respiratory distress is best treated by: 
Select and explain. 
A. Intravenous frusemide, B. Saline infusion, C. Amniocentesis, D. Aificial rupture of membranes
C: Amniocentesis
Answer: C: Amniocentesis 
Explanation: As the patient has respiratory distress and the gestational age is 35 weeks -fetal maturity has not acquired our main aim is to relieve the distress continuing the pregnancy to atleast 37 weeks. This can be achieved by Amniocentesis - drainage of good amount of liquor. Ref:Dutta Obs 9e pg 203.