Contraception Flashcards
contraception mechanisms of action
- prevention of ovulation
- prevention of fertilisation
- prevention of implantation
how can contraception prevent ovulation?
suppress FSH and LH
how can fertilisation be prevented?
no contact e.g. condoms, diaphragm, sterilisation, IUD
how can implantation be prevented?
create hostile environment
classification of contraception
hormonal methods barrier methods intrauterine methods permanent methods fertility awareness methods emergency
non-contraceptive benefits of contraception
pain heavy bleeding irregular bleeding PMS breast tenderness acne hirsutism ovarian cancer
what cancer does contraception protect against?
ovarian
LARC methods
- IUD/IUS
2. implant
consequences of using IUD/IUS
painful insertion
perforation
malposition
expulsion
when can IUD/IUS not be used?
submucosal fibroids
uterine malformations
how long does the IUD last?
up to 10 years
action of IUD
non-hormonal but prevents implantation
when can IUD be used as emergency contraception?
up to 5 days after sex
adverse of the IUD (copper coil)
makes period heavy, longer and more painful in first few months (can co-prescribe NSAIDs)
which method of contraception is the only option after breast cancer?
IUD
is the IUS hormonal?
yes
what are the types of IUS?
mirena
levosert
kyleena
jaydees
what is mirena also licensed to treat alongside contraception?
heavy periods
adverse of IUS
irregular spotting
PV bleeding in first few months then leads to amenorrhoea around 6 months
what is the most effective method of contraception?
implant
how long does the implant last?
3 years
how does the implant work
hormonal (progestogen only)