Life goes on

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What is FSH and what part does it play in the menstrual cycle?
Follicle stimulating hormone - stimulates an egg to develop in an ovary
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What is LH and what part does it play in the menstrual cycle?
Luteinising hormone - controls ovulation (egg release)
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What part does Progesterone play in the menstrual cycle?
Maintains the uterus wall
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What part does Oestrogen play in the menstrual cycle?
Repairs the uterus wall
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Where are FSH and LH released from?
The pituitary gland in the brain
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What do negative feedback mechanisms do?
Control the levels of the sex hormones in the menstrual cycle - the cycle is triggered by the receptors in the hypothalamus
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When does menstruation occur?
When oestrogen and progesterone levels are low
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What triggers the cycle to begin again?
A message is sent to the hypothalamus that hormone levels are low
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What happens if a egg is fertilised?
The levels of progesterone remain high and no FSH is produced, so no more eggs develop and the uterus lining does not break down
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Other cards in this set

Card 2

Front

What is LH and what part does it play in the menstrual cycle?

Back

Luteinising hormone - controls ovulation (egg release)

Card 3

Front

What part does Progesterone play in the menstrual cycle?

Back

Preview of the front of card 3

Card 4

Front

What part does Oestrogen play in the menstrual cycle?

Back

Preview of the front of card 4

Card 5

Front

Where are FSH and LH released from?

Back

Preview of the front of card 5
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