Biology B1 2.4 The artificial control of fertility.

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What do contraception pills (oral contraception) contain?
Oestrogen and/or progesterone to inhibit follicle stimulating hormone (FSH).
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What can follicle stimulating hormone (FSH) and be given to a woman for?
To help her to produce mature eggs.
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Some pills are progesterone-only pills, what are the benefits of this?
Fewer side effects.
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What does the contraceptive pill (oral contraceptive) prevent?
The production of follicle stimulating hormone (FSH) so that no eggs mature.
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Why is luteinising hormone (LH) given to women alongside follicle stimulating hormone (FSH)?
To stimulate ovulation.
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When a woman is given follicle stimulating hormone (FSH) and luteinising hormone (LH), what is this known as?
Fertility treatment.
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Which hormone is inhibited by the contraceptive pill but is given in fertility treatment?
Follicle stimulating hormone (FSH).
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What are the advantages of fertility treatment?
Fertility drugs can help infertile couples who are having IVF, IVF help couples to have a baby.
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What are the disadvantages of fertility treatment?
IVF is an expensive process, some people think it is unethical when older women have babies by IVF and extra embryos produced may be stored or destroyed.
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What are the advantages of contraceptive pills?
They have helped to reduce family size which has reduced poverty in some areas and it allows women to plan their pregnancies.
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What are the disadvantages of contraceptive pills?
They can cause side effects and some people object to its use for ethical or religious reasons.
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Fertility drugs are used to make lots of eggs mature at the same time for collection, what is the next step in fertility treatment?
The eggs are collected and placed in a special solution in a Petri dish.
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After the eggs are placed in the Petri dish, what is the next step in fertility treatment?
A sample of semen is collected.
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After a sample of semen is collected, what is the next step in fertility treatment?
The eggs and sperm are mixed in the Petri dish.
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After the eggs and sperm are mixed in the Petri dish, what is the next step in fertility treatment?
The eggs are checked to make sure they have been fertilised and the early embryos are developing properly.
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After the eggs are checked to make sure they have been fertilised and the early embryos are developing properly, what is the next step in fertility treatment?
When the fertilised eggs have formed tiny balls of cells, 1 or 2 of the tiny embryos are placed in the uterus of the mother. Then, if all goes well, at least one baby will grow and develop successfully.
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Other cards in this set

Card 2

Front

What can follicle stimulating hormone (FSH) and be given to a woman for?

Back

To help her to produce mature eggs.

Card 3

Front

Some pills are progesterone-only pills, what are the benefits of this?

Back

Preview of the front of card 3

Card 4

Front

What does the contraceptive pill (oral contraceptive) prevent?

Back

Preview of the front of card 4

Card 5

Front

Why is luteinising hormone (LH) given to women alongside follicle stimulating hormone (FSH)?

Back

Preview of the front of card 5
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