Contraception Flashcards
(275 cards)
What effect does CHC have on serum estradiol levels and serum FSH and LH
CHC provides synthetic estrogens which are not detected on conventional estradiol serum assays
CHC suppresses the hypothalamic-pituitary axis and therefore levels of FSH and LH are low
Cautions to using Ulipristal acetate (EllaOne®) as emergency contraceptioon
Avoid in uncontrolled severe asthma
Avoid severe hepatic impairment
other factors may effect drug efficacy - including taking enzyme inducing drugs eg phenytoin or rifampicin.
advice for emergency contraception for a patient on enxyme inducing drugs
Ideally a Cu-IUD should be offered if suitable.
If Cu-IUD is declined or not an option
then offer double dose levonorgestrel - within 72 hours
what type of drug is Levonorgestrel?
Emergency contraception
Synthetic progesterone
1.5mg single dose as soon as possible after sexual intercourse, licensed up to 72 hours after SI.
advice if vomiting within 2 hours of taking levonorgestrel
If vomiting within 2 hours repeat dose can be given
above what BMI should double dose levonorgestrel be offered?
BMI 25 +
what type of drug is Ulipristal (EllaOne®)
Emergency contraceptive
Selective progesterone receptor modulator
30mg single dose
Effective up to 5 days after sexual intercourse
after ulipristal accetate vomiting within what timeframe would mean it is recommended for a repeat dose to be offered
Vomiting within 3 hours of ulipristal accetate should be offered a repeat dose
Can contraception affect the timing or duration of menopause?
Contraception does not affect the timing or duration of menopause
May mask the symptoms
Some women hesitant to use contraception that will conceal indicators of this transition.
Weigh advantages / disadvantages
Certain contraceptive methods confer non-contraceptive benefits that alleviate perimenopausal symptoms
Non-contraceptive benefits of the 52 mg LNG-IUS?
Non-contraceptive benefits of 52 mg LNG-IUS
reducing menstrual blood loss
reduce menstrual pain / endometriosis and adenomyosis pain
effective medical treatment for endometrial hyperplasia
What cancer risks does an IUS lower?
Endometrial and ovarian
What cancer risks may am IUS increase
Breast cancer - conflicting evidence
What impact may an IUS have on CHD risk?
little or no increased risk of VTE, stroke or myocardial infarction
UKMEC for IUD or IUS
from menarche to <20yo
for nulliparous F
and why
UKMEC for IUD or IUS
from menarche to <20yo = 2
May have increased risk of expulsion
for nulliparous F = 1
UKMEC for IUD or IUS
with organ transplant
- complicated
- uncomplicated
UKMEC for IUD or IUS
- complicated organ transplant
IUD / IUS = 3 initiation / 2 continuation - uncomplicated organ transplant
IUD / IUS = 2
UKMEC for IUD or IUS
BMI 30 - 34
BMI 35
UKMEC for IUD or IUS
Any BMI = 1
UKMEC for Menarche to <20yo for IUS Implant DMPA POP CHC
UKMEC for Menarche to <20yo
for IUS / Implant / DMPA / POP / CHC
1
UKMEC for >20yo
for IUS / Implant / POP
UKMEC for >20yo
for IUS / implant / POP = 1
UKMEC for >45yo
for DMPA
UKMEC for >45yo
for DMPA = 2
UKMEC for >40yo
for
CHC
UKMEC for >40yo
for CHC = 2
% of women with an unintended pregnancy in the 1st year of typical use of CHC POP DMPA Cu IUD IUS Implant
% of women with an unintended pregnancy in the 1st year of typical use of CHC = 9% POP = 9% DMPA = 6% Cu IUD = 0.8% IUS = 0.2% Implant = 0.05%
% of women with an unintended pregnancy in the 1st year of typical use of M condom F condom Diaphragm FAM F sterilisation Vasectomy no method
% of women with an unintended pregnancy in the 1st year of typical use of M condom = 17% F condom = 21% Diaphragm = 12% FAM = 24% F sterilisation = 0.5% Vasectomy = 0.15% no method = 85%
UKMEC for Implant postpartum, not breastfeeding
0 - <3 weeks with VTE risk
0 - <3 weeks no VTE risk
3-6 weeks with VTE risk
3- 6 weeks no VTE risk
≥6 weeks
UKMEC for Implant postpartum not breastfeeding
All = 1
UKMEC for DMPA postpartum not breastfeeding
0 - <3 weeks with VTE risk
0 - <3 weeks no VTE risk
3-6 weeks with VTE risk
3- 6 weeks no VTE risk
≥6 weeks
UKMEC for DMPA postpartum not breastfeeding
0 - <3 weeks with VTE risk = 2
0 - <3 weeks no VTE risk = 2
3-6 weeks with VTE risk = 2
3- 6 weeks no VTE risk = 1
≥6 weeks = 1