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The Physiology of Pregnancy

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Obstetrics for Students

Abstract

From the first day of the last menstrual period the average duration of pregnancy is 280 days. As ovulation usually takes place on the 14th day of the cycle and fertilization one day after this the actual duration is about a fortnight less.

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© 1978 Sydney Lance Townsend

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Townsend, L. (1978). The Physiology of Pregnancy. In: Obstetrics for Students. Palgrave, London. https://doi.org/10.1007/978-1-349-03531-1_4

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  • DOI: https://doi.org/10.1007/978-1-349-03531-1_4

  • Publisher Name: Palgrave, London

  • Print ISBN: 978-1-349-03533-5

  • Online ISBN: 978-1-349-03531-1

  • eBook Packages: MedicineMedicine (R0)

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