Biology 0610 · IGCSE · Sex hormones in humans

Sex hormones in humans — practice question

The graph illustrates the amounts of two hormones across a 28-day menstrual cycle. Which hormones are shown by X and Y on the graph?

  • AX: FSH; Y: oestrogen
  • BX: LH; Y: FSH
  • CX: oestrogen; Y: progesterone
  • DX: progesterone; Y: LH

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