However, the cause of most birth defects remains unknown, with a mix of genes, environment, and behavior all likely playing a role. Some of the most common birth defects in the United States ...

CDC says 1 in 7 babies exposed to Zika have health problems One in seven infants exposed to Zika in utero experienced microcephaly, seizures, hearing deficiencies or other health problems during ...

Other defects, such as long QT syndrome, affect the heart's rhythm. Heart defects are among the most common birth defects and are the leading cause of birth defect-related deaths. Approximately 9 ...