contraception Flashcards
what is an absolute contraindication to copper IUD?
PID - test + treat
how do you test for PID? name 2 organisms that can cause it
endocervical swab
chlamydia trachomatis
neisseria gonorrhoeae
what form of contraception can be used for menorrhagia?
IUS
how does IUD work?
prevents fertilisation: decreases sperm motility + survival (poss due to copper ions)
how does IUS work?
levonorgestrel prevents endometrial proliferation + causes cervical mucous thickening
how long after insertion are IUD + IUS effective?
IUD - immediate
IUS - 7 days
what are the effects of IUD on periods?
longer, heavier, more painful
what are the effects of IUS on periods?
initial frequent bleeding + spotting
later - lighter + less painful periods (some become amenorrhoeic)
risks of IUD/IUS
increased risk of PID in first 20 days
risk of expulsion is 1 in 20