Oral Contraceptives Flashcards
what is the synthetic estrogen name?
ethinyloestradiol
levonorgestrel use for 3 things:
OCP
HRT
morning after pill
which progesterone pill is a cousin of spirinolactone?
drospirenone
what is the combined oral contraceptive pill?
estrogen and progesterone in fixed ratio of doses: 21 active, 7 placebo
what is sequential preparations of OCP?
variation in the pills built-into the 21 day cycle
what pill is newer with anti-androgenic properties?
cyproterone
cyproterone does what?
regulate periods
helps PCOS
OCP
which progesterone pill is a bit androgenic?
levonorgestrel
drospirenone is what kind of drug?
aldosterone receptor antagonist
which pill is banned in france?
cyproterone
which type of OCP most effective?
combined oral contraceptive pill
what is the ‘mini-pill’?
progesterone-only pills
why use progesterone-only pills?
if estrogens are contraindicated:
1. lactating women
progesterone-only pills stipulation?
MUST be taken at the SAME time every day
progesterone does what to the hormones?
inhibit LH
progesterone/levonorgestrel in morning after pill does what?
- makes endometrium harder to implant
- changes mucus
- interfere with cervix, uterine contractions
which OCP has highest risk for thromboembolism?
cyproterone
Risk of thromboembolism with OCP is highest when?
first year of use
OCP and cancer?
oestrogens may increase risk of breast and cervical (screening)
OCP and uterine cancer?
oestrogen increase risk
progesterone negates that risk
How does COCs protect against iron deficiency?
reduce menorrhagia and dysmenorhoea
COCs and benign breast tumours?
protective
COC reduce which cancers?
endometrial
ovarian
colorectal
benign breast
how much drug in morning-after pill?
1500ug levonorgestel
when take morning-after pill?
within 72 hours of unprotected sex
vaginal ring, what drug?
ethinyloestradiol