Skip to main content
Log in

Human Sexual Behaviour, Delayed Fertilization and Down's Syndrome

  • Article
  • Published:

From Nature

View current issue Submit your manuscript

Abstract

The idea that delayed fertilization is correlated with the incidence of Down's syndrome has been examined closely in the light of the demonstration that frequency of marital coitus follows a Poisson distribution.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  1. German, J., Nature, 217, 516 (1968).

    Article  ADS  CAS  Google Scholar 

  2. Cannings, C., and Cannings, M. R., Nature, 218, 481 (1968).

    Article  ADS  CAS  Google Scholar 

  3. Kinsey, A. C., Pomeroy, W. B., Martin, C. E., and Gebhard, P. H., Sexual Behaviour in the Human Female, 350, 394 (Saunders, London, 1953).

    Google Scholar 

  4. Witschi, E., and Laguens, R., Dev. Biol., 7, 605 (1963).

    Article  Google Scholar 

  5. Rock, J., and Hertig, A. T., Amer. J. Obstet. Gynec., 55, 6 (1948).

    Article  CAS  Google Scholar 

  6. Penrose, L. S., and Smith, G. F., Down's Anomaly, 151 (Churchill, London, 1966).

    Google Scholar 

  7. Matsunaga, E., Mongolism, in Ciba Foundation Study Group No. 25 (edit. by Wolstenholme, G. E. W., and Porter, R.), 6 (Churchill, London, 1966).

    Google Scholar 

Download references

Author information

Authors and Affiliations

Authors

Rights and permissions

Reprints and permissions

About this article

Cite this article

MATSUNAGA, E., MARUYAMA, T. Human Sexual Behaviour, Delayed Fertilization and Down's Syndrome. Nature 221, 642–644 (1969). https://doi.org/10.1038/221642a0

Download citation

  • Received:

  • Revised:

  • Issue Date:

  • DOI: https://doi.org/10.1038/221642a0

  • Springer Nature Limited

This article is cited by

Navigation