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GCSE
Biology paper 2
IVF
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Created by
Mabli Collyer
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Cards (30)
What is the purpose of contraceptives?
To
reduce
fertility
and
prevent
pregnancy
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What issue do some women face regarding fertility?
Some women are
naturally infertile
but want a baby
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How can hormones increase fertility?
By
stimulating
egg maturation
and
ovulation
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What does FSH stand for?
Follicle Stimulating Hormone
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What does FSH do in women?
It
stimulates
the
ovaries
to
mature
eggs
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What happens if a woman has low levels of FSH?
Her
eggs
may
not
mature
properly
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How can low FSH levels be treated?
By
giving
FSH
in
pill
form
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What does LH stand for?
Luteinizing Hormone
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What is the role of LH in fertility?
It
stimulates
ovulation
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On which day of the menstrual cycle does ovulation typically occur?
Day 14
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What is IVF?
In vitro
fertilization
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What does "in vitro" mean?
Outside the body, like in a
test tube
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What is the first stage of IVF?
Administering
FSH
and
LH
to stimulate eggs
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What happens after the eggs are collected in IVF?
They are
fertilized
by sperm in a
lab
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What is ICSI?
Intracytoplasmic
sperm injection
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When is ICSI used in IVF?
When the man has a
low sperm count
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What happens to fertilized eggs in IVF?
They are placed in an
incubator
to
grow
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What is an embryo?
A tiny ball of
cells
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What happens to embryos after they are grown?
They are inserted into the mother's
uterus
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What is a major pro of IVF?
It allows
infertile
couples
to have
children
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What is a significant con of IVF?
It doesn't always work;
success
is
low
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What is the success rate of IVF in the UK?
One in four
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What are some physical side effects of IVF?
Abdominal
pain
and
vomiting
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What is a risk associated with multiple births from IVF?
Higher risk of
miscarriage
and
stillbirth
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Why do some people oppose IVF?
It can result in
unused
embryos
being
destroyed
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What ethical concern is associated with IVF?
Potential destruction of
embryos
with life
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How have advances in technology improved IVF?
They have increased
success rates
and allowed
genetic testing
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What can genetic testing on embryos determine?
Diseases
and
characteristics
like
gender
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What is a concern regarding genetic testing in IVF?
It may lead to
designer babies
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Is it legal to create designer babies in the UK?
No, it is
illegal
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