Lochia is the vaginal discharge for first fortnight during puerperium which originates from?

Appeared in: RUHS, Jaipur, M.Sc Nursing Entrance Exam-2018

Explanation

Lochia is the postpartum vaginal discharge containing blood, tissue, and mucus from the healing reproductive tract.
It originates from multiple sites: the uterine body (sloughing of the decidua from the placental site), the cervix (healing from lacerations and remodeling), and the vagina (sloughing of epithelial cells).
Therefore, 'All of the above' is the most complete and accurate answer, as the other options only represent partial sources of the discharge.

Option A: This is an incomplete answer. While the uterine body is the primary source of lochia, contributing blood and decidual tissue, it is not the sole origin.
Option B: This is an incomplete answer. The cervix contributes mucus and some blood from the healing process, but this is only one component of the total lochial discharge.
Option C: This is an incomplete answer. The vagina contributes sloughed epithelial cells, but this is a minor component compared to the discharge originating from the uterine body.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Origin and composition of lochia during the puerperium as background academic context rather than a clinical decision trigger.
Nurses must accurately assess lochia for Color, Odor, Consistency, and Amount (COCA) as a key part of postpartum assessment to monitor for complications.
A foul odor can indicate an infection like endometritis, requiring prompt antibiotic treatment.
Excessive bleeding (saturating a pad in less than an hour) or the passing of large clots can signal postpartum hemorrhage, a medical emergency.

How to Approach the Question

This is a factual recall question based on knowledge of the postpartum period (puerperium).
First, define the key term: 'Lochia' is the vaginal discharge that occurs after childbirth.
Next, consider the physiological processes happening in the reproductive tract after delivery: the uterus sheds its lining (decidua), the cervix closes and heals, and the vagina undergoes involution.
Realize that all these healing and shedding processes contribute to the discharge.
Evaluate the options. The uterine body, cervix, and vagina are all parts of the reproductive tract undergoing significant postpartum changes.
Conclude that the discharge must be a combination from all these sites, making 'All of the above' the most comprehensive and correct answer.

Concept Tested & Keywords

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E6 Obstetrics Williams p. 44-62

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