title: [Increase in serum testosterone in newborn rats].
abstract: The changes in serum testosterone and dihydrotestosterone concentrations have been measured in the newborn Rat, before, during and up to 6 hrs after birth. A sudden and transient increase of serum testosterone has been found between 0 and 2 hrs. At 4 hrs, the value returns to that found in the foetus at the end of gestation.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D013196:Dihydrotestosterone / Q000097:blood*; D005260:Female; D005333:Fetus; D011247:Pregnancy; D051381:Rats; D013739:Testosterone / Q000097:blood*
chemical_list: D013196:Dihydrotestosterone; D013739:Testosterone
vernacular_title: Elévation de la testostéronémie chez le rat nouveau-né.