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Plasma testosterone during pregnancy in the mouse

Barkley MS, Michael SD, Geschwind II, Bradford GE

Endocrinology, 1977

Abstract

Levels of plasma testosterone (T) were studied throughout pregnancy and on the day of parturition in selected strains of mice. A dramatic midpregnancy increase in androgen occurred in both strains examined (peak on day 9). A second increase in plasma T was found during the latter half of gestation (days 14-17), at which time plasma estradiol levels were elevated.

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