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Maternal mortality ratio

This article describes a ratio measure. In the standard operationalization, the numerator of the measure is number of deaths due to pregnancy and childbirth (view other ratio measures with this numerator) and the denominator of the measure is number of live births (view other ratio measures with this denominator). The denominator used for reporting is 100000. The measurement period is a variable.
The numerator counts the number of occurrences of an event during the measurement period.
The denominator counts the number of occurrences of an event.

Definition

The maternal mortality ratio (MMR) of a population in a given time period (usually a year) is the number of deaths due to pregnancy and childbirth for every 100,000 live births.