The incidence of superfecundation and of double paternity in the general population.

@article{James1993TheIO,
  title={The incidence of superfecundation and of double paternity in the general population.},
  author={W. James},
  journal={Acta geneticae medicae et gemellologiae},
  year={1993},
  volume={42 3-4},
  pages={
          257-62
        }
}
  • W. James
  • Published 1993
  • Biology, Medicine
  • Acta geneticae medicae et gemellologiae
It is estimated that at least one dizygotic (DZ) twin maternity in twelve is preceded by superfecundation (the fertilization of two ova by sperm from different coitions). Presumably this parameter varies from population to population eg. with coital rates and rates of double ovulation. Sometimes superfecundation occurs by two different men. The frequency with which this occurs must depend on rates of infidelity (promiscuity). It is suggested that among DZ twins born to married white women in… Expand
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