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NATURE OF THE SYSTEMIC EFFECT OF LITTER SIZE ON GESTATION PERIOD IN MICE

Anne McLaren, Donald Michie

Open publisher page 30 citations

Abstract

Summary. In two situations where it was possible to vary total foetal mass independently of foetal number, the heavier young were associated with a shorter gestation period. We therefore conclude that the systemic effect of number in the litter on gestation period in mice reflects the total mass of foetal or placental tissue, and that the number of implants is only indirectly relevant.

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What this paper is about

Summary. In two situations where it was possible to vary total foetal mass independently of foetal number, the heavier young were associated with a shorter gestation period. We therefore conclude that the systemic effect of number in the litter on gestation period in mice reflects the total mass of foetal or placental tissue, and that the number of implants is only indirectly relevant.

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OpenAlex reports 30 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Summary. In two situations where it was possible to vary total foetal mass independently of foetal number, the heavier young were associated with a shorter gestation period. We therefore conclude that the systemic effect of number in the litter on gestation period in mice reflects the total mass of foetal or placental tissue, and that the number of implants is only indirectly relevant.

Key concepts: Litter, Gestation, Gestation period, Period (music), Biology, Andrology, Physiology, Fetus

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