Contraception 2 Flashcards
non-contraceptive methods of contraception?
heavy menstrual bleeding painful/irregular periods PMS endometriosis acne
name the 3 CHC?
COC
patch
ring
at what time in the cycle should you start taking CHC?
within 5 days of regular menstruation OR
at any time in cycle when sure not pregnant (still use condoms for 7 days)
what should you ask about in PMH in someone wanting contraception?
GI conditions
where is most COC absorbed in the body?
upper GI tract
what antibiotic interacts with COC?
rifampicin
risk factors for venous thromboembolism?
>6 weeks postnatally obesity smoking age known thrombophilia 1st degree relative <45 with it long haul flights altitude
what is the VTE risk in pregnancy per 10,000 women?
21-30
what is the VTE risk in pregnancy postnatally
300-400
what is VTE risk from using COC?
5-10
when should BP be checked in COC?
initially
3 months
annually
migraine with aura increases the risk of what kind of stroke?
ischaemic
how much of a breast cancer risk is there from taking COC?
1.24
what kind of breast cancer family history is a contraindication to the pill?
BRCA gene
how long after stopping COC does your cervical cancer risk reduce to baseline?
10 yrs
there is a small increased cervical cancer risk with >_ year use of the pill
5
what should be done before 1st prescription of COC?
BMI
BP
there is a reduction in what cancer risks with COC?
endometrial
ovarian
why can CHC help PMS?
blocking ovulation
what side effects are more prevalent in the patch than other CHC?
more breast pain
nausea
painful periods
what side effects are more prevalent in the ring than other CHC?
less bleeding problems
acne
irritability
mood changes
when can the IUS be inserted?
anytime if no UPSI in past 3 weeks
injection suppresses what hormone?
FSH
why are you at risk of osteoporosis with the contraceptive injection?
suppresses oestrogen
risk factors for low bone mineral density
smoke age <18 or >45 low BMI (<20) malabsorption hyperthyroidism amenorrhoea non weight bearing
