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biology paper 2
Homeostasis
Contraception
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Created by
Harvey Metcalfe
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Cards (36)
Why can't issues around contraception be answered by science alone?
They involve
ethical
and personal beliefs
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What hormone does the contraceptive pill prevent the body from producing?
FSH
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How does the contraceptive pill affect egg maturation?
It prevents eggs from maturing
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What is one advantage of the contraceptive pill?
It is highly
effective
if taken correctly
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What is a disadvantage of the contraceptive pill?
It must be taken
every
day
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What are some risks associated with certain contraceptive pills?
Increased risk of
breast cancer
or
blood clots
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What hormone do implants, skin patches, and injections contain?
Progesterone
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What is an advantage of hormonal contraception methods like implants?
They are more convenient than
daily
pills
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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 contraception methods?
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 intrauterine device (IUD) also called?
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 IUDs?
They do not protect against
STIs
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What is surgical contraception called?
Sterilization
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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 contraception?
It is 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 contraception methods?
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 choices?
It's a person's
right
to choose
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Why do people advocate for using condoms?
They reduce the risk of
STIs
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What are the different methods of contraception discussed?
Hormonal
methods (e.g., pill, implant, patch, injection)
Barrier
methods (e.g., condoms, diaphragm)
Intrauterine devices
(IUDs)
Surgical methods (
sterilization
)
Natural
methods (abstinence)
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What are the side effects and risks associated with hormonal contraception?
Increased risk of
breast cancer
Increased risk of
blood clots
Hormonal side effects
No protection against STIs
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What are the advantages and disadvantages of barrier methods?
Advantages:
No
hormonal
side effects
Can reduce risk of
STIs
Disadvantages:
Can break or slip off
Less effective without
spermicide
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What are the advantages and disadvantages of IUDs?
Advantages:
Highly
effective
Few
side effects
Disadvantages:
No protection against
STIs
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What are the advantages and disadvantages of surgical contraception?
Advantages:
Highly
effective
Disadvantages:
Difficult to reverse
No protection against
STIs
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What are the challenges of natural contraception methods?
Hard to determine
ovulation
No protection against
STIs
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