1984•PubMedRequires access
Pre-parturitional changes in serum prolactin, placental lactogen, growth hormone, progesterone, and corticosterone in the C3H/HeN mouse.
Soares Mj, Frank Talamantes
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Abstract
Pre-parturitional changes in serum prolactin, placental lactogen, growth hormone, progesterone, and corticosterone in the C3H/HeN mouse are described. Serum prolactin concentrations display an apparent biphasic pre-parturitional increase. Both serum placental lactogen and growth hormone concentrations are elevated during the second half of pregnancy. Serum placental lactogen concentrations remain elevated until parturition, whereas serum growth hormone concentrations decline on the last two days of pregnancy. Serum progesterone and corticosterone concentrations are elevated during the latter half of pregnancy and decline on the day preceding parturition.