B1.2.3 Hormones and the Menstrual Cycle

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  • Created by: Maddi
  • Created on: 13-04-14 18:04
How is the menstrual cycle controlled?
Hormones control the release of an egg from the ovary and the build-up of the lining of the womb in the menstrual cycle.
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What is the average length of the menstrual cycle?
The average length of the menstrual cycle is 28 days.
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When is a women most likely to conceive?
14 days into the cycle when ovulation starts.
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Why does the lining of the womb build up each month?
The lining of the womb thickens ready to support a developing baby.
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Give three facts about FSH.
FSH is secreted by the pituitary gland. It makes eggs mature in the ovaries. FSH also stimulates the ovaries to produce oestrogen.
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Give three facts about oestrogen.
Oestrogen is made and secreted by the ovaries. It stimulates the living of the womb to build up ready for pregnancy. It inhibits (slows down) the production of more FSH.
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Name two other hormones, other than oestrogen and FSH, that are involved in the menstrual cycle.
Progesterone and LH.
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Card 2

Front

What is the average length of the menstrual cycle?

Back

The average length of the menstrual cycle is 28 days.

Card 3

Front

When is a women most likely to conceive?

Back

Preview of the front of card 3

Card 4

Front

Why does the lining of the womb build up each month?

Back

Preview of the front of card 4

Card 5

Front

Give three facts about FSH.

Back

Preview of the front of card 5
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