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Gravity-Loading During Pregnancy and Birth: Effects on Neonatal OutcomeIn this presentation, I will describe the effects of increased gravity on mammalian development in rodents, from gestation throughout weaning. The work is based on studies of centrifugation-induced hypergravity-rearing, the fundamentals of which will be described. The key variables include: 1) comparison of first-time (primparous) and experienced (multiparous) rodent mothers; 2) prenatal adaptation to the centrifuge; and 3) application of a modest g-load (1.5-g). The reported findings emphasize pregnancy, labor and birth, maternal care and lactation in the dams, and suckling, growth, development, and weaning in the offspring. Pregnancy success and offspring growth and survival will be discussed.
Document ID
20020074597
Acquisition Source
Ames Research Center
Document Type
Preprint (Draft being sent to journal)
Authors
Ronca, April E.
(NASA Ames Research Center Moffett Field, CA United States)
Dahl, Bonnie
Date Acquired
August 20, 2013
Publication Date
January 1, 1998
Subject Category
Life Sciences (General)
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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