Definition of human chorionic gonadotropin in US English:

human chorionic gonadotropin

(also HCG)


  • A hormone produced in the human placenta that maintains the corpus luteum during pregnancy.

    • ‘Under the influence of human chorionic gonadotropin, which his placenta had been producing in increasing amounts since a few days post-implantation, I was beginning to feel decidedly queasy.’
    • ‘The diagnosis of pregnancy is mainly determined by testing for the pregnancy hormone human chorionic gonadotropin.’
    • ‘This blood test measures the level of the hormone human chorionic gonadotropin, which is produced by the placenta.’
    • ‘After results from a human chorionic gonadotropin pregnancy test were determined to be negative, the women were randomly assigned to one of the three treatment groups.’
    • ‘Rarely does this sickness cause problems for mother or baby, and most often it resolves itself around the 12 th week of pregnancy, when levels of the pregnancy hormone human chorionic gonadotropin plateau.’


human chorionic gonadotropin

/ˌ(h)yo͞omən kôrēˌänik ɡōˌnadəˈtrōpən/