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Teratogenicity

Teratogenicity

The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...

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Evidence Suggests a Decrease in the Incidence of Kernicterus in California.

Lucas Walz¹, Jordan C Brooks¹, Thomas Newman²

¹Life Expectancy Project, San Francisco, CA.

The Journal of Pediatrics

|December 23, 2022

Summary

This summary is machine-generated.

Kernicterus incidence in California children has significantly decreased since 2009. However, national infant kernicterus mortality rates have not shown a significant decline, indicating a persistent public health concern.

Keywords:

hyperbilirubinemia incidence kernicterus mortality neonatal jaundice

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Area of Science:

Neonatal health
Pediatric neurology
Public health surveillance

Background:

Kernicterus, a severe form of newborn jaundice, can cause permanent brain damage.
Understanding kernicterus incidence and mortality trends is crucial for evaluating prevention strategies.

Observation:

Analysis of California Department of Developmental Services data (1988-2014) revealed a substantial decrease in kernicterus diagnoses after 2009.
Examination of national infant mortality data from the CDC (1979-2016) showed no significant reduction in kernicterus-related deaths.

Findings:

California observed a decline in kernicterus from 0.42 to 0.04 per 100,000 births post-2009.
National data indicates persistent kernicterus mortality despite regional improvements.

Implications:

The findings suggest that while some regional interventions may be effective, broader national strategies are needed to address kernicterus.
Further research into the factors contributing to the persistent national mortality rate is warranted.