Contraception Flashcards
When does the risk from cervical cancer and CHC stop
10 years after stopping
What cancers is CHC associates with
Breast and cervical
What cancers are CHC protective for
Ovarian, endometrial (bowel)
First line CHC?
</= 30mcg ethinylestradiol +
Levonorgestrel/northisterone
Perfect use CHC
<1%
Typical use CHC
9% failure
What is the theoretical weight limit risk with CHC patch
> 90kg
Lowest risk CHC for VTE
COC with levonorgestrel, northisterone, norgestimate
First generation progestogen?
Northisterone (NET)
Second generation progestogen
Levonorgestrel (LNG)
Third generation progestogen
Desogestrel, gestodene, norgestimate*
LNG is an active metabolite
Newer progestogens?
Drospirinone, dienogest, nomegestrol acetate
What is etonogestrel an active metabolite of?
Desogestrel
Do women using co-cyprindiol for acne and hirsutism management need additional contraception?
No
What is in the patch
EE and norelgestromin
What is in the vaginal ring
EE and etonogestrel
Is the first line COC multiphasic or monophasic
Monophasic
How does CHC work
Acts on the HPO to supress LH and FSH thus inhibiting ovulation
Can multiphasic COC be used in tailored regiemes
No
What symptoms are more common during the HFI?
Headache, pelvic pain, bloating, breast tenderness
How many women have menstrual cycles shorter than 20 days
<5% (<2% in the 20-39 group)
Is condoms needed when switching traditional POP to CHC
Yes
Is 7 days of condoms needed when switching to CHC from desogestrel/implant/depo
No (if in licence/time frame!)
What happens if CHC/POP taken in the the 5 days after taking UPA-EC?
UPA effectiveness decreased, no effect on the CHC/pop
Yearly VTE risk for someone on CHC Vs normal
5-12 in 10,000 Vs 2 in 10,000
Fatality of VTE in CHC users
1%