Честота на ражданията на близнаци в България Cover Image
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Frequency of Multiple Births in Bulgaria
Честота на ражданията на близнаци в България

Author(s): Marta Sugareva
Subject(s): Social Sciences, Sociology, Demography and human biology
Published by: Институт за изследване на населението и човека - Българска академия на науките
Keywords: Multiple births; dynamics; frequency.

Summary/Abstract: The focus of study in this paper is the dynamics of multiple births in Bulgaria. The trends of these births are examined in several sub-periods, since 1881 (the earliest date when reliable statistics are available) until the present. Four sub-periods are revealed: 1) before 1910 – period of increase of the share of multiple births up to 1,5 per 1000 births; 2) 1920-1951 (the share is around 1 per 1000); 3) since 1951 to the beginning of the XXI century (below 1 per 1000); after 2005 – a strong trend of increase of the share of multiple births up to 1,7 per 1000).

  • Issue Year: 35/2017
  • Issue No: 2
  • Page Range: 69-84
  • Page Count: 16
  • Language: English