sentence: Birth defects involving the brain are the most common problems.
sentences_after: They concern about 10 per 1000 live births, compared to heart problems, at 8 per 1000, kidney problems at 4 per 1000, and limbs at 1 per 1000. All other physical anomalies together occur in 6 per 1000 live births.
concept_name: birth defect
headings: Birth defect How common birth defects are
categories: Health problems