Approximately what percentage of live births have congenital heart defects?

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Multiple Choice

Approximately what percentage of live births have congenital heart defects?

Explanation:
The main idea is the prevalence of congenital heart defects among live births. CHDs are the most common birth defect, occurring in about 0.8–1.2% of live births (roughly 1 in 100). Because this rate is commonly rounded to 1%, that choice best fits the typical clinical statistic. The other values—0.1%, 5%, and 10%—are not supported by standard prevalence data for live births. Note that some estimates can vary slightly by population and detection methods, but 1% is the conventional figure used in exams and medical references.

The main idea is the prevalence of congenital heart defects among live births. CHDs are the most common birth defect, occurring in about 0.8–1.2% of live births (roughly 1 in 100). Because this rate is commonly rounded to 1%, that choice best fits the typical clinical statistic. The other values—0.1%, 5%, and 10%—are not supported by standard prevalence data for live births. Note that some estimates can vary slightly by population and detection methods, but 1% is the conventional figure used in exams and medical references.

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