Biology B1 2.3 Hormones and the menstrual cycle.

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How long does the menstrual cycle take?
The menstrual cycle takes 28 days, with ovulation about 14 days into the cycle.
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How is the menstrual cycle controlled?
By three different hormones, follicle stimulating hormone (FSH), oestrogen and luteinising hormone (LH).
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What makes follicle stimulating hormone (FSH)?
The pituitary gland.
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What does follicle stimulating hormone (FSH) do?
Causes the egg to mature and oestrogen to be produced.
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What produces oestrogen?
The ovaries.
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What does oestrogen do?
Inhibits (stops) the further production of follicle stimulating hormone (FSH), it also stimulates the production of luteinising hormone (LH) and the womb to develop to receive the fertilised egg.
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What makes luteinising hormone (LH)?
The pituitary gland.
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What does luteinising hormone do?
Stimulates the mature egg to be released from the ovary (ovulation).
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Which hormones are made in the pituitary gland?
Follicle stimulating hormone (FSH) and luteinising hormone (LH).
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** KNOW WHAT HORMONES ARE INVOLVED IN THE MENSTRUAL CYCLE**
**KNOW WHAT THE HORMONES DO AND HOW THEY AFFECT OTHER HORMONES***
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Card 2

Front

How is the menstrual cycle controlled?

Back

By three different hormones, follicle stimulating hormone (FSH), oestrogen and luteinising hormone (LH).

Card 3

Front

What makes follicle stimulating hormone (FSH)?

Back

Preview of the front of card 3

Card 4

Front

What does follicle stimulating hormone (FSH) do?

Back

Preview of the front of card 4

Card 5

Front

What produces oestrogen?

Back

Preview of the front of card 5
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