AQA GCSE Combined Science Trilogy · 8464
Specification 4.5.3.3 · Paper 2
Revise: Reproductive HormonesProgesterone maintains the thickened uterus lining after ovulation.
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GCSE Combined Science · key term
A hormone produced by the ovaries after ovulation that maintains the uterus lining and inhibits FSH and LH.
Used by AQA and Edexcel
Specification 4.5.3.3 · Paper 2
Revise: Reproductive HormonesProgesterone maintains the thickened uterus lining after ovulation.
Paper 1, Paper 2
A hormone produced by the corpus luteum after ovulation that maintains the uterus lining and inhibits FSH and LH release.
Name the hormone's source as well as its effect when asked: the pituitary gland produces FSH and LH; the ovaries produce oestrogen and progesterone.
Explain menstruation as a consequence of falling progesterone levels, not rising progesterone levels.
The detailed interactions of FSH, LH, oestrogen and progesterone are Higher tier content.
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After ovulation, progesterone maintains the thickened uterus lining, keeping it ready for implantation. If pregnancy does not occur, progesterone levels fall and the lining breaks down. Another period begins, marking day 1 of the next cycle.