Repeated Multiple Maternities in Triplet Families

Johan Fellman, Aldur Eriksson

Forskningsoutput: TidskriftsbidragArtikelVetenskapligPeer review

Sammanfattning

In earlier studies, scientists have attempted to identify genetic and environmental factors affecting the rate of multiple maternities among humans. We contribute to these studies by analyzing the frequencies of multiple maternities in sibships containing triplets. Use of the Hellin transformation is included in evaluation
of the triplet rate. Our results indicate greater frequencies of repeated multiple maternities in the sibships than expected, based on population frequencies. The excesses obtained are more marked in triplet maternities than in twin maternities. The transformed triplet rate shows results similar to the twinning rate. The findings also indicate that in families, the influence of maternal factors on the frequencies of multiple maternities is stronger than the influence of paternal factors.
OriginalspråkEngelska
Referentgranskad vetenskaplig tidskriftTwin Research and Human Genetics
Volym17
Utgåva3
Sidor (från-till)206-210
Antal sidor5
ISSN1832-4274
DOI
StatusPublicerad - 04.2014
MoE-publikationstypA1 Originalartikel i en vetenskaplig tidskrift

Nyckelord

  • 112 Statistik
  • 512 Företagsekonomi
  • KOTA2014

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