Contraception Flashcards
What is contraception
An artificial method people use to prevent pregnancy
Hormonal methods of contraception involve which 2 hormones
Oestrogen and progesterone
If released steadily what can oestrogen do
Inhibits FSH, preventing the release of an egg
What does progesterone do - 2 parts
Stimulates the production of a thick mucus in the cervix which prevents the sperm reaching the egg
What is the combined oral contraceptive pill made up of
Combined oestrogen and progesterone ‘ the pill’
How effective is ‘the pill’
99% if taken properly
What are the side effects of the pill
Headaches
Nausea
How does the patch work
Patch on the upper arm releases oestrogen and progesterone slowly
How long does the patch last
Up to a week
How does the injection work
Progesterone into the upper arm
How long does the injection last
2-3 months
How does the implant work
Small device under the skin of the arm, slowly releases progesterone
How long does the implant last
Up to 3 years
How does the IUD work - hormonal
( intrauterine device)
Placed inside the uterus, plastic version releases progesterone
How does IUD work - non hormonal
(Intrauterine device)
Placed inside the uterus, copper version kills the sperm
How long do either IUDs work
(Intrauterine device)
3 years +
How does the condom work
Male - Placed over the penis, traps any sperm
Female - worn inside the vagina
What do condoms protect against
Sexually transmitting diseases
(STDs)
How does the diaphragm work
Shallow plastic cup that fits over the cervix (blocks sperm)
What are the disadvantages of the diaphragm - what can they be used with
Unreliable
Spermicide
Why is spermicide not a good contraception method by itself
Only works 7/10 times
How does sterilisation work
Women - cutting or tying the fillopeaon tubes
Male - sperm ducts cut and tied
What are 2 ways for natural contraception
Sex at certain times of the month
Stopping sex Before ejaculation
What method is 100% reliable n preventing pregnancy
To abstain from sex
