Quarterly occurence of selected types of Birth Defects in the Czech Republic in the 1994- 2005 Twelve-Year Period

Abstract

An analysis of quarterly occurrence of selected types of birth defects in the Czech republic in the 1994-2005 twelve-year period. Evaluation of possible changes of occurrence of selected types of birth defects along with standard deviations from mean values calculated from 1974- 1993 period data.

Keywords

• birth defect
• anencephaly
• spina bifida