Ratio of maternal deaths per 100,000 live births (The Proportion of Maternal Deaths Per 100000 Live Births)

Ratio of maternal deaths per 10,000 live births (The Proportion of Maternal Deaths Per 10000 Live Births)

Ratio of maternal deaths per 1,000 live births (The Proportion of Maternal Deaths Per 1000 Live Births)

Ratio of maternal deaths per 100 deliveries (The Proportion of Maternal Deaths Per 100 Deliveries)

P.CHO-2019

Community Health Nursing

Easy

What does MMR mean?

Appeared in: P.CHO-2019

Explanation

The Maternal Mortality Ratio (MMR) is a standard measure used globally to assess the quality of maternal health care.
It is defined by the World Health Organization (WHO) as the number of maternal deaths during a given time period per 100,000 live births during the same time period.
The formula is: (Number of maternal deaths / Number of live births) × 100,000.
Using 100,000 as a multiplier allows for stable comparison across populations, as maternal death is a relatively rare event.

Option B: The standard international multiplier for calculating MMR is 100,000, not 10,000. Using a smaller multiplier would make the ratio less stable and harder to compare.
Option C: A multiplier of 1,000 is used for calculating other health indicators, not MMR.
Option D: This option has two errors. The multiplier is 100, not 100,000, and the denominator is 'deliveries' instead of the standard 'live births'. While most deliveries result in live births, using 'live births' is the precise and universally accepted standard.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Definition and calculation of Maternal Mortality Ratio (MMR) as background academic context rather than a clinical decision trigger.
MMR is one of the most important indicators of a country's overall health and socioeconomic status. A high MMR suggests poor access to quality maternal and child health services.
The Sustainable Development Goals (SDG 3, Target 3.1) aim to reduce the global maternal mortality ratio to less than 70 per 100,000 live births by 2030.
Nurses play a critical role in reducing MMR through providing quality antenatal care, skilled attendance at birth, postpartum care, and health education.

How to Approach the Question

First, identify the core term in the question, which is 'MMR'.
Recall the full form of MMR: Maternal Mortality Ratio. This is a standard definition from Community Health Nursing.
Focus on the two key components of the ratio's definition: the denominator (what it's measured against) and the multiplier (the standard population size for comparison).
The standard denominator for MMR is 'live births'. This eliminates options that use 'deliveries'.
The standard multiplier for MMR is '100,000'. This is a key fact to memorize. It differentiates MMR from IMR and NMR, which use 1,000.
Select the option that correctly combines the standard multiplier (100,000) and the standard denominator (live births).

Concept Tested & Keywords

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E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart A (pp 1-232 of 464) pp. 55-57, 56-58

Practise the full P.CHO-2019

Attempt every question from this paper in a timed mock, then review the full solution for each one.