The Hormonal Control of the Menstrual Cycle

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The Hormonal Control of the Menstrual Cycle
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LH stimulatesovulation formationof the corpus
luteum
oestrogen inhibitsFSH production stimulates LH
production
FSH
LH
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9
1
corpus luteumsecretes progesterone
progesterone inhibitsFSH production
FSH increases
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ovary secretesoestrogen
oestrogen
progesterone
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FSH causes an egg to developinside a follicle
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corpus luteum disintegrates progesterone
falls
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progesterone maintainsthe uterus lining
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oestrogen bringsabout repair ofuterus lining
menstruationstarts
menstruation
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day
day
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Using Hormones to Control the Human Population
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How can these important facts be used to control
the population?
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Using Hormones to Control the Human Population

• Fertility treatment Inject FSH into women who
  dont produce enough of their own to stimulate
  eggs to develop
• ContraceptionOral doses of the contraceptive
  pill, containing oestrogen progesterone,
  inhibit FSH production so eggs do not develop and
  ovulation does not occur