The Crude Birth Rate and the General Fertility Rate are both used to measure fertility in a population. The key difference between them lies in the denominator. The General Fertility Rate uses which of the following as its denominator?
- A Women aged 15 to 44 or 15 to 49 years ✓
- B Total mid-year population
- C All married women in the reproductive age group
- D Total number of live births registered in the year
Correct answer: A. Women aged 15 to 44 or 15 to 49 years
Explanation
The General Fertility Rate is defined as the number of live births per 1000 women of reproductive age (15-44 or 15-49 years) in a given year. This restricts the denominator to women actually capable of bearing children, making it a more precise fertility measure than the Crude Birth Rate, whose denominator is the total mid-year population including children, men and the elderly.
Reference: Park's Textbook of Preventive and Social Medicine, 27th ed.
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