EN
In recent years, dramatically increased the number of births by teens, for example, in 2008 girls aged 14 years or less were born two times more children than in 2004. This article aims to examine whether there was spatial variation of this. There have been analyzed all births by women that are not of childbearing age who were born child in the years 2002-2009, while focused mainly on the lower age group (14 years and younger). As a tool has been used age-specific fertility rates. However, voivodships were grouped using cluster analysis methods.