This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pathology of Conception, Subject name: Gynaecology & Obstetrics
Polyhydramnios ranges maximum seen in: 
Select and explain. 
A. End of 1st trimester, B. Early part of 2nd trimester, C. Latter part of 2nd trimester, D. Third trimester
D: Third trimester
Answer: D: Third trimester 
Explanation: Ans. d. Third trimesterEarly onset or severe Polyhydramnios is associated with aneuploidy, congenital malformations preterm delivery, and an increased perinatal mortality rate.The cause of mild Polyhydramnios, especially seen in the latter part of the third trimester, is usually idiopathic or related to diabetes mellitus and has little impact in perinatal survival.AMNIQTIC FLUID DYNAMICS