Researchers examined national data on infant deaths in the United States from 2003 through 2017. They focused specifically on deaths that were caused by birth defects. The study did not involve a specific treatment or intervention; it was an analysis of existing health records to look for patterns over time.
The main finding was that the number of infant deaths due to birth defects declined by 10% overall during this 14-year period. However, the decline was not the same for all groups. The study reported significant differences in the trends among different racial and ethnic groups, though the exact numbers for these differences were not provided.
This type of study is called observational. It can show that two things are related, but it cannot prove that one thing caused the other. For example, it cannot prove that specific policies or medical advances directly caused the decline. The study also did not report the absolute number of deaths or the confidence intervals for its findings, which are important for understanding the full picture. Readers should see this as a report on a positive national trend that highlights the need for continued focus on health equity for all infants.