This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diagnosis of Pregnancy, Subject name: Gynaecology & Obstetrics
Lochia lasts for: 
Select and explain. 
A. 5 days, B. 2 weeks, C. 3 weeks, D. 4 weeks
C: 3 weeks
Answer: C: 3 weeks 
Explanation: Ans. C. 3 weeksLOCHIA* It is the vaginal discharge for the first fortnight during puerperium.* It has 3 phases, which may extend upto 3 weeks.* Lochia rubra: 1-4 days; red in color* Lochia serosa: 5-9 days; the color is yellowish or pink or pale brownish* Lochia alba: 10-15 days; pale white color* Duration of the Lochia alba beyond 3 weeks suggests local genital lesion