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Perinatal mortality (PNM) is the death of a fetus or neonate and is the basis to calculate the perinatal mortality rate. [1] Perinatal means "relating to the period starting a few weeks before birth and including the birth and a few weeks after birth."
The occurrence of infant mortality in a population can be described by the infant mortality rate (IMR), which is the number of deaths of infants under one year of age per 1,000 live births. [1] Similarly, the child mortality rate , also known as the under-five mortality rate, compares the death rate of children up to the age of five.
Maternal mortality ratio per 100,000 live births. [1] From Our World in Data (using World Health Organization definition): "The maternal mortality ratio (MMR) is defined as the number of maternal deaths during a given time period per 100,000 live births during the same time period. It depicts the risk of maternal death relative to the number of ...
The CDC report published Thursday found the national fetal mortality rate in 2022 had declined 4% from 2021 and noted there had been a 27% drop in fetal deaths since 1990. In 2022, there were ...
Neonatal mortality rate: Number of child deaths within the first 28 days of life divided by total number of births. [9] Infant mortality rate: Number of child deaths within the first 12 months of life divided by total number of births. [9] Under 5 mortality rates: Number of child deaths within the 5th birthday divided by total number of births. [9]
The total fertility rate in South Korea sharply declined from 4.53 in 1970 to 2.06 in 1983, falling below the replacement level of 2.10. The low birth rate accelerated in the 2000s, with the fertility rate dropping to 1.48 in 2000, 1.23 in 2010, and reaching 0.72 in 2023. [51] One example of Korea's economic crisis is the housing market.
[26] Perinatal mortality is the death of fetuses or neonates during the perinatal period. A 2013 study found that "While only a small proportion of births occur before 24 completed weeks of gestation (about 1 per 1000), survival is rare and most of them are either fetal deaths or live births followed by a neonatal death." [23]
Miscarriage, also known as spontaneous abortion and pregnancy loss, is the natural death of an embryo or fetus before it is able to survive independently. [ 6 ] [ 7 ] Some use the cutoff of 20 weeks of gestation , after which fetal death is known as a stillbirth . [ 8 ]