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Biology
Contraception
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Cards (14)
Combined pill
Stops you from getting
pregnant
Combined
pill
Effective
Contains
oestrogen
and
progesterone
Progesterone
only pill
Thickens the
mucus
in the
cervix
Progesterone
only pill
Effective
Contains progesterone
Injection
Thickens the
mucus
in the cervix and stops the cervix from
opening
Injection
99
% effective
Lasts
8-12
weeks
Useful for women who forget to take
contraception
Implant
Stops
sperm
reaching the
egg
Implant
99
% effective
Lasts
3-5
years
Some people don't like having them
IUD
Stops the egg from
implanting
in the
uterus
IUD
99
% effective
Lasts
5-10
years
Doesn't protect against
STIs
Condom
Stops
sperm
reaching the
egg
and protects against STIs
Condom
Effective if used correctly
2
out of 100 break
Sterilisation
Fallopian tubes are blocked so the egg can't reach the sperm
Sterilisation
Permanent
Effective
Think
carefully before doing it