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Biology Paper 2
Homeostasis
Contraception
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lora balfe
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Cards (29)
Why can't issues around contraception be answered by science alone?
They involve
ethical
and personal beliefs
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What is contraception?
Methods
to prevent fertilization
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What does the contraceptive pill prevent the body from producing?
The
hormone
FSH
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What happens if a woman forgets to take the contraceptive pill?
There is a risk of
pregnancy
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What are some risks associated with the contraceptive pill?
Increased risk of
breast cancer
or
blood clots
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What is one advantage of the contraceptive pill?
It is highly
effective
if taken correctly
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What hormone do implants, skin patches, and injections contain?
Progesterone
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How long does the contraceptive implant last?
Three years
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How long does the contraceptive injection last?
Around
thirteen
weeks
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How long does the contraceptive patch last?
Around
one week
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What is a disadvantage of hormonal forms of contraception?
They do not protect against
STIs
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What do barrier methods of contraception include?
Condoms
and
diaphragms
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How do barrier methods prevent pregnancy?
They prevent
sperm
from reaching an egg
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What is an advantage of barrier methods?
They do not have
hormonal
side effects
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How can condoms reduce the risk of STIs?
They act as a
barrier
to infections
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What is a disadvantage of condoms?
They can
break
or slip off
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What enhances the effectiveness of condoms and diaphragms?
Using them with
spermicide
gel
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What is an IUD also known as?
The
coil
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How long can an IUD prevent pregnancy?
Up to
10 years
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What is a disadvantage of an IUD?
It does not protect against
STIs
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What is sterilization in terms of contraception?
A
surgical
form of contraception
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How does sterilization work for women?
It prevents the egg from reaching the
uterus
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How does sterilization work for men?
It prevents
sperm
from leaving the
penis
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What is a disadvantage of surgical forms of contraception?
They are
difficult
to
reverse
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What is a natural form of contraception?
Abstaining from sexual intercourse after
ovulation
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What is a challenge of natural forms of contraception?
It's hard to tell when
ovulation
occurs
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What is a common belief of the Catholic Church regarding contraception?
All contraception is unethical except
natural methods
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What do many people believe about contraception?
It's a
person's
right
to choose
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What is the ultimate conclusion about contraception issues?
They cannot be answered by
science
alone
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