contraception Flashcards
name a common method of contraception and how they prevent a pregnancy
oral contraception e.g pills
they contain hormones which prevent the body from producing the hormone fsh
name one advantage and disadvantage of using contraceptive pills
highly effective if taken correctly
must be taken every day if forgotten then there is a risk of pregnancy and side effects e.g breast cancer or blood clots (risks are small)
cant prevent sexually transmitted infections (sti) e.g HIV
name 2 other forms of hormonal contraception and what do they contain
implant skin patch or injection and they all contain progesterone
what does progesterone stop the egg form doing
maturing or being released
what are the advantages and disadvantages of using hormonal forms of contraception
more convenient the taking a daily pill
(implant lasts for 3 years)
(injection lasts for 13 weeks)
(patch lasts for 1 week)
can have side effects
cant prevent sexually transmitted infections (sti) e.g HIV
what are the advantages and disadvantages of using barrier forms of contraception
have no side effects because they are not hormonal
condoms reduce the risk of sti
they can break and slip off
name types of contraception that fall into the category of barrier and there function
condom or a diaphragm used to stop sperm reaching the egg
how can you make a condom or diaphragm more effective
use a spermicide gel
what do spermicides do
kill or disable sperm and reduce the chance of fertilization
what form of contraceptive can women use and what is there function
Many women use an intrauterine device or IUD. sometimes called the coil
they prevent and embryo form implanting and release hormones to reduce chance of fertilization and is highly effective and can prevent pregnancy for up to ten years
what are the advantages and disadvantages of using coil or iud
is highly effective and can prevent pregnancy for up to ten years
very few side effects
but cant protect against sexually transmitted infections
name a form of sergical contraception
sterilization
for women: prevents the egg from reaching the uterus
for men: prevents sperm from leaving the penis
what are the advantages and disadvantages of using sterilization
highly effective
very difficult to reverse and don’t protect against sti