Lochia alba follows lochia serosa and usually lasts from the 1st to 3rd week PP. What is lochia?

AIIMS Nagpur NO- 2020

Obstetrics & Gynaecology

Medium

Appeared in: AIIMS Nagpur NO- 2020

Explanation

Lochia is the normal vaginal discharge after childbirth, which undergoes a predictable progression in color and composition.
The question specifically mentions lochia alba, which is the final stage of this discharge.
Lochia alba is characterized by its creamy white to light brown color, appearing from approximately day 10 postpartum and can last for several weeks.
Its composition is primarily leukocytes (white blood cells), decidual cells, mucus, cholesterol, fat, and epithelial cells.
This discharge has a characteristic stale or fleshy odor, which is different from the foul odor that would indicate an infection.

Option B: The 'brown to red' color is characteristic of lochia rubra (the initial stage) or lochia serosa (the transitional stage), not lochia alba.
Option C: While the color and odor are correct for lochia alba, this option is incomplete. It omits the crucial detail of its cellular composition, such as the presence of decidual cells and leukocytes.
Option D: The 'brown to red' color and mention of 'tissue fragments' are characteristic of lochia rubra, the first stage of postpartum discharge, which is rich in blood and remnants of the uterine lining.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Postpartum assessment and the physiological stages of lochia as background academic context rather than a clinical decision trigger.
Nurses play a vital role in assessing lochia for color, amount, odor, and consistency to monitor the mother's postpartum recovery and detect complications.
A deviation from the normal progression, such as the persistence of lochia rubra beyond the first few days, may signal postpartum hemorrhage due to uterine atony or retained placental fragments.
A foul-smelling lochia, especially when accompanied by fever and uterine tenderness, is a classic sign of postpartum infection (endometritis) and requires prompt medical intervention.

How to Approach the Question

First, carefully read the entire question. Notice that while it ends with the general question 'What is lochia?', the first sentence provides a specific context: 'Lochia alba follows lochia serosa...'.
Recognize that the question is implicitly asking for the description that best fits lochia alba.
Recall the three stages of lochia and their key characteristics: Rubra (red, days 1-4), Serosa (pinkish-brown, days 5-9), and Alba (whitish-yellow, from day 10).
Evaluate each option based on the characteristics of lochia alba.
Option A describes a 'creamy white-brown' discharge containing 'decidual cells' with a 'stale odor', which is a perfect match for lochia alba.
Eliminate the other options by identifying why they are incorrect. Options B and D describe the color of earlier stages (rubra/serosa). Option C is correct in its description but is less complete and therefore not the best answer compared to A.

Concept Tested & Keywords

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E6 Midwifery Obstetrics and Gynecology Nursing Sandeep Kaur p. 1-5

E6 Obstetrics Williams p. 45-63