Contraception Flashcards
Drugs that work to prevent ovulation do what?
- suppress FSH and LH
Emergency contraceptive hormone does what?
- delays ovulation
- releases progesterone
Methods that work to prevent fertilisation include?
- condoms
- diaphragm
- spermicide
- sterilisation
- IUD
Methods to prevent implantation
- hormonal contraceptive
- IUD
- IUS
Explain IUS?
- Coils or intrauterine devices with hormones
- small risk of perforation
- prevents fertilisation and implantation
When might IUS be contraindicated?
- submucosal fibroids
- uterine malformations
IUD works by?
- copper coil
- can last 10yrs
- kills sperm and eggs and prevents implantation
What method of contraception is suitable in women with breast cancer and why?
- copper iud
- non-hormonal
IUS examples?
- mirena
- levosert
- kyleena
- jayless
What criteria is used for contraception?
- UK MEC eligibility criteria
Explain the subdermal implant?
- most effect
- safe for most
- releases progesterone
- up to 3 yearsd
Potential side effect of subdermal implant?
- unpredictable prolonged PV bleeding
4 types of LARC?
- hormone injection
- hormone implant
- IUD (Non hormonal)
- IUS (hormonal)
When should you start COCP?
- First 5 days of period
- or any time but use of condoms for 7 days
What may affect the COCP affectiveness?
- GI malabsorption
- liver enzyme drugs
- forget to take
Risks of COCP?
- Venous thrombosis
- arterial thrombosis
- cancers (breast)
Contraindication to COCP?
- Migraine with aura
- BMI > 35
- Age > 40
- smoker
Good side effects of COCP?
- Reduction in ovarian and endometrial, bowel cancer
- benefits acne
- PCOS
Name a POP?
- desogesterol
How do POP work?
- release progesterone
- inhibit ovulation
How does depo provera and sayana press work?
- lowers estriadol and supresses FSH
When are diaphragms inserted and removed?
- before sex with spermacide
- after 6hrs post intercorse
What is the most effective emergency contraceptive?
- copper IUD coil
When can the emergency copper coil IUD be used?
- within 5 days of ovulation
- 5 days post sex
How does the EllaOne work?
- progesterone receptor blocker
- delays ovulation
- hormonal contraception needs to wait 5 days to start
What is a disadvantage of the EllaOne?
- can’t use progesterone contraceptive pills 5 days before or 5 days after
- doesn’t allow quick start of contraception
How does levonelle work?
- big dose of progesterone
- delays ovulation
When is levonelle as an emergency contraception licsenced?
- 72hrs (3days) of sexual intercourse
What is an advantage of levonelle over ellaone?
- can quickly start contraception
- ellaone you can’t start contraception 5 days before or after
What may affect emergency contraceptive drugs?
- enzyme inducing drugs
- gi distrubances
When would both ellaone and levonelle not be effective?
- both work by delaying LH surge and thus ovulation
- however if ovulation has already occurred they won’t be effective
Side effects of contraceptive injections?
- irregular bleeding
- weight gain
- bone density reduction
Name a ulipristal acetate drug?
- ellaone
- emergency contraceptive
