contraception Flashcards
what is the mechanism of action for the normal IUD
prevents implantation
what is the mechanism of action for the majority of LARC’s (not coils)
prevent ovulation
pearl index for the copper IUD and hormonal IUD respectively
copper - 0.8
hormonal - 0.2
how does the copper IUD prevent pregnancy
prevents fertilisation mainly and also implantation
how long does each type of coil last
Copper IUD - 10
ius- 3-5
what is the advice with copper IUD if inserted after 40
can stay till menopause
what uterine condition would make the coil unsuitable
fibroids or malformation
what is the pearl index of the implant and how long can it stay in for
0.05% and for 3 years
what hormone used in implant
progesterone only
main side effect of implant
prolonged PV bleeding
1st line treatment of endometriosis
ius
how does the pill prevent pregnancy
stops ovulation
pearl index of pill and typical use
0.3 perfect typical 9%
what must be checked before starting the COCP
BMI, BP (check smears)
use of cocp increases risk for what cancers
breast and cervical
what cancers does cocp reduce chance of
endometrial and ovarian
how much does cocp reduce chance of ovarian cancer by
20% reduction every 5 years used. max 50% in 15 years
what cocp is used in acne
cyproterone acetate - dianette
examples of POP’s
cerelle and cerezette
how long do you need to use condoms for when initiating the POP
2 days
what is the most appropriate form of LARC after breast cancer
copper IUD
what does the depo injection do to your hormones
lowers estradiol and suppresses FSH
side effects of injection
nausea, weight gain, spots headache
when should depo not be used
if osteoporosis risk factor. caution in teens and after menopause
what is the most effective form of emergency contraception
copper IUD
how long after sex must the copper IUD be inserted after sex to work
within 5 days
examples of emergency contraception
ullipristol acetate - Ella one
copper IUD
levonelle
how long after unprotected sex can Ellaone be used
within 5 days
how does Ella one work
stops LH surge so delays ovulation
what type of contraception cannot be used straight after Ella one
progesterone eg pill
how does levonelle work
big dose of progesterone - aim to inhibitors ovulation
what scenarios will Ella one and levonelle not work particularly well
in 2nd half of cycle or if on enzyme inducing drugs
what is prothrombotic oestrogen or progesterone
oestrogen
how long before major surgery shoudl the pill be stopped
4 weeks
how long after levonorgestrel emergency contraception can you restart gormonal contraceptions
immedicately
how long after ullipristol acetate can you restart hormonal contraception
5 days
how long post partum can a copper IUD be inserted
4 weeks
