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Rate of Intra-uterine Growth

Nature volume 220, pages 599–600 (1968)Cite this article

Abstract

SIR, JOHN HAMMOND'S famous study1 showed that crossbred foetal foals grew at the rate of their dams' pure breed. Large Shire dams sired by Shetlands bore large young; conversely, small Shetland dams sired by Shires bore small young. Hammond suggested that a maternal regulating system might be responsible for this effect at both extremes of growth rate.

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Author information

Authors and Affiliations

  1. Nuffield Department of Obstetrics and Gynaecology, Radcliffe Infirmary, Oxford

    MARGARET OUNSTED

  2. The Park Hospital for Children, Oxford

    CHRISTOPHER OUNSTED

Authors
  1. MARGARET OUNSTED
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  2. CHRISTOPHER OUNSTED
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OUNSTED, M., OUNSTED, C. Rate of Intra-uterine Growth. Nature 220, 599–600 (1968). https://doi.org/10.1038/220599a0

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