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Definition of Rate, fetal mortality

Medically reviewed by Min Clinic Staff | Updated: January 2026

Rate, fetal mortality: The ratio of fetal deaths divided by the sum of the births (the live births + the fetal deaths) in that year. In the United States, the fetal mortality rate plummeted from 19.2 per 1,000 births in 1950 to 9.2 per 1,000 births in 1980.