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
Which of the following sets of condition is attributed to normal physiology of puerperium : 
Select and explain. 
A. Tachycardia and weight gain, B. Retention of urine, constipation and weight gain, C. Constipation, tachycardia and retentio of urine, D. Retention of urine and constipation
D: Retention of urine and constipation
Answer: D: Retention of urine and constipation 
Explanation: General Physiological Changes in Puerperium