Definition of progesterone in English:



mass nounBiochemistry
  • A steroid hormone released by the corpus luteum that stimulates the uterus to prepare for pregnancy.

    • ‘Ovulation will not occur and there will be no formation of a corpus luteum to secrete progesterone and oestrogen.’
    • ‘The ovaries also produce the female hormones, oestrogen and progesterone.’
    • ‘You stick it on your skin and it releases two hormones - oestrogen and progesterone.’
    • ‘In girls, the female hormones oestrogen and progesterone are produced in the ovaries.’
    • ‘During pregnancy, the amount of two female hormones, oestrogen and progesterone, increases.’


1930s: blend of progestin and the German synonym Luteosteron (from corpus luteum + sterol).