• Effect of human chorionic gonadotropin on serum levels of progesterone and estrogens in the pregnant bonnet monkev (Macaca radiata)

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    • Keywords

       

      Placenta; chorionic gonadotropin; steroidogenesis

    • Abstract

       

      Administration of human chorionic gonadotropin to pregnant bonnet monkeys(Macaca radiata) at 55–60 days and 130–140 days of pregnancy resulted in a significant increase in serum progesterone levels. This effect could be observed even in lutectomized monkeys. However, no significant change in the serum estrogen level was noticed. These results suggest that although no chorionic gonadotropin is detectable in the serum after 35 days of pregnancy, the foetoplacental steroidogenic system is still responsive to exogenous gonadotropic stimulation.

    • Author Affiliations

       

      A Jagannadha Rao1 S G Kotagi1 N R Moudgal1

      1. Laboratory of Endocrine Biochemistry, Department of Biochemistry, Indian Institute of Science, Bangalore - 560 012
    • Dates

       
  • Journal of Biosciences | News

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