hormonal contraception Flashcards
cotnraceptive oestrogens and progestogen product names
- combined ethinylestradiol products, desogestrel
oestrogen and progestogens indications
- hormonal cotnraception
2. HRT to delay early menopause in women <50years and treaet distressing menopausal sx
MOA of oestrogens and progestogens
0 oestrgoens/progestogens suppress LH/FSH release and hence ovulation
- also have effects outside ovary. improves acne, reduces menses pain.
- menopause, oestrogen falls hence HRT relieves sx caused by fall
hormonal contraception SE
- Irregular bleeding and mood changes. does not cause weight gain. . oestrogens increase VTE risk. increase CVD and stroke risk.
- increase breast ca and cervical ca. breast ca reversed after stopping
- POP dont increase VTE or CVD.
CI to hormonal cotnraceptions
- breast ca
- avoid combined in VTE personal or fhx or in known thrombotic mutation,
- relative CI in CVD
Hormonal contraceptive interavtions
cp450. reduce efficacy esp POP
Absoprtion of lamotigine may be reduced, impairing seizure control
what criteria is used to assess suitability of types of hormonal contraception
- UKMEC
when do u need to start hormonal contraception in order to not use more contaception
- first 6 days of period cycle
how many days do you use barrier contraception for if starting the pill after 7th day of cycle
- 7 days