Familial incidence of twinning

@article{Parisi1983FamilialIO,
  title={Familial incidence of twinning},
  author={Paolo Parisi and Maurizio Gatti and G. Prinzi and G. Caperna},
  journal={Nature},
  year={1983},
  volume={304},
  pages={626-628}
}
The frequency of twinning among women who have already borne twins, the ‘repeat frequency’, is significantly higher than in the general population1–6. Individual propensity is not necessarily genetic in origin, hut pedigree studies (for reviews see refs 1, 2) confirm that twinning is a family trait. Studies based on archives3,6,7 restrict this conclusion to dizygotic (DZ) twinning and the maternal side, while studies based on interviews of relatives of twins4,8–11 find monozygotic (MZ) twinning… CONTINUE READING

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