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  1. chorionic gonadotropin

    • n.
      a hormone secreted during pregnancy by the placenta which stimulates continued production of progesterone by the ovaries.
    • noun: chorionic gonadotrophin, plural noun: chorionic gonadotrophins

    • 相關詞
    • n.
      a hormone produced in the human placenta that maintains the corpus luteum during pregnancy.

    Oxford American Dictionary