A COMPARISON OF PITUITARY LH LEVELS DURING DELAYED IMPLANTATION PERIODS INDUCED BY SUCKLING, PROVERA OR PROGESTERONE TREATMENT

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ANANT P. LABHSETWAR
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Summary.

Pituitary lh content was compared in pregnant rats in which implantation of blastocysts was successfully delayed for 9 to 12 days by three different methods. Both the concentration (μg/mg) and total content (μg/gland) of lh were low during lactational and Provera-induced delayed implantation periods but were high in bilaterally-spayed progesterone-treated rats when compared to cyclic control animals.

 

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