Contraception Flashcards
Give examples of combined hormonal contraception
Combined pill COC
Patch CTP
Vaginal ring CVR
Give examples of progesterone only contraception
Progesterone only pill POP
Implant
Depot
Intra-uterine system IUS
Give examples of non-hormonal contraception
Copper coil
Sterilisation
Barrier contraception
Cyproterone acetate
What method of contraception is being described “blocks sperm getting to genital tract”?
Barrier contraception
What method of contraception is being described “blocks the fallopian tubes”
Female sterilisation
What method of contraception is being described “the only type of contraception that protects against STIs”?
Condoms
barrier contraception
What method of contraception is being described “has the lowest failure rate of all contraception methods”?
Implant
progesterone only
What method of contraception is being described “this method of combined hormonal contraception is least likely to cause acne, intermenstrual bleeding and mood changes”?
Vaginal ring CVR
What method of contraception is being described “this method only requires 1 dose every 13 weeks”?
Depot
What method of contraception is being described “this method of contraception is contraindicated in migraine with aura”
Combined pill COC
Why is COC contraindicated in migraine with aura?
Increases stroke risk
What method of contraception is being described “this method is less effective in patients who weigh over 90kg”?
Combined transdermal patch
Which methods of contraception is being described “this method inhibits ovulation and has an effect on cervical mucus, the endometrium and fallopian tube transport”?
Progesterone only: POP, implant, depot
What method of contraception is being described “this method can be start anytime in the menstrual cycle if the patient has had no unprotected sex in the past 3 weeks”?
Intra-uterine system IUS
When prescribing the IUS, why must you wait until 3 weeks after unprotected sex before initiating?
Risk miscarrying potential ongoing pregnancy
What does LARC stand for?
Long acting reversible contraception
What method of contraception is being described “contraception is not its primary indication but it has an indirect contraceptive effect”?
Cyptoterone acetate
Name methods of LARC
Intra-uterine system
Implant
Depot IJ
What hormones are in combined hormonal contraception?
Estrogen + progesterone
What is the method of CHC?
-Ve feedback on GnRH
Decreases LH/FSH
Inhibits ovulation
(No folliculogenesis, exogenous estrogen still causes endometrial proliferation hence withdrawal bleeding)
Weight gain is a side effect of combined hormonal contraception. T or F
False, no evidence, though estrogen does increase appetite
What are the side effects of combined hormonal contraception?
Venous/arterial thrombosis Increased BP Mood >Stroke/MI risk Mood Acne Intermenstrual bleeding Tender breasts
What is the dosing regimen for the combined pill?
21 days on, 7 days off (withdrawal bleed)
When should you initiate the combined pill?
On the 1st 5 days of your period
OR
Any time if definitely not pregnant + 7 days condoms
By what mechanism does combined hormonal contraception have an effect on metabolism?
Induce P450 liver enzymes
What is the dosing regimen for the combined transdermal patch?
Lasts 1 wk
3 wk on, 1 wk off
How long does the combined vaginal ring last?
3 wk on, 1 wk off
By what mechanism does combined hormonal contraception increase risk of venous and arterial thrombosis?
Estrogen decreases antithrombin III and has effects on protein S
For which methods of combined hormonal contraception should you monitor blood pressure?
All 3 of them