Post neonatal mortality rate
The post neonatal rate is the number of deaths occurring after 28 days of age and before one year, i.e. after the neonatal period, given as a rate per thousand live births per year.
It can be given by the infant mortality rate minus the neonatal mortality rate.
The post-neonatal mortality rate in the UK is approximately 1.1 per 1,000 live births for England (2021-23). This rate, which covers deaths between 28 days and one year of age, has remained stable since 2014-2016.
Reference
- ONS. Child and infant mortality in England and Wales: 2023. Stillbirths, infant and childhood deaths occurring annually in England and Wales, and associated risk factors. (online)
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