AQA · Biology · 8461
GCSE Biology: The use of hormones to treat infertility
Homeostasis and response · AQA GCSE Biology (8461), specification point 4.5.3.6. Cards are generated from the exam board's own specification for "The use of hormones to treat infertility", and every card links back to the page it came from. Higher tier only. Specification © AQA — used with attribution.
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Which two hormones are given to a woman in a 'fertility drug'?
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FSH and LH. She may then become pregnant in the normal way.
Why are FSH and LH given to a mother at the start of IVF treatment?
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To stimulate the maturation of several eggs.
Where does fertilisation take place during IVF treatment?
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In the laboratory — eggs collected from the mother are fertilised by sperm from the father.
At what stage of development are embryos inserted into the uterus in IVF?
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When they are tiny balls of cells.
How many embryos are usually inserted into the mother's uterus in IVF?
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One or two.
In IVF, the fertilised eggs develop into ? before being inserted into the uterus.
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embryos
Why are multiple births a disadvantage of IVF treatment?
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They are a risk to both the babies and the mother.
Give one disadvantage of IVF concerning the patient's wellbeing.
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It is very emotionally and physically stressful.
Are success rates for IVF treatment generally high or low?
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Not high — a low success rate is a key disadvantage of IVF.
What does IVF stand for?
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In Vitro Fertilisation.
Which scientific development enabled IVF treatments to develop?
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Developments of microscopy techniques.
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