Data from the National Birth Defects Register (Institute for Health Information and Statistics) in the Czech Republic in the 1994 - 2010 period were used along with data on prenatally diagnosed defects from individual departments of medical genetics. There were totally 59 970 births with a birth defect (35 317 boys, 24 632 girls and 21 births with an undetermined sex) in the 1994 - 2010 period.
In 2010 it was 3 034 boys and 2038 girls with a birth defect. There has been no major change in birth defect incidences in live births in the Czech Republic in last years.