induction of labour Flashcards
indications
prolonged pregnancy (>41w), hypertensive disorders, IUGR, diabetes, prelabour/prolonged rupture of membranes, rhesus disease, prev stillbirth, abruption, placental insufficiency
contraindications
cephalopelvic disproportion, malpresentation (other than breech/face), fetal distress, placenta praevia, vasa praevia, cord presentation, pelvic tumour, cord presentation, prev repair to cervix
what score on bishops score is ripe (cervical ripeness)
> 5
what happens if a primip is induced and is not ripe (
higher rates fetal distress, C section, prolonged labour
what can be used to ripen the cervix
prostaglandins (PGE2) - dinoprostone
if the cervix fails to ripen with prostaglandins what should be done
repeat 6-8hours later and if still fails to ripen do a C section
what may prostaglandins do apart from ripening cervix
uterine contractions, precipitate labour
what happens after the cervix is ripe
rupture the membranes, amniotomy.
what drug is used after cervix is ripe
oxytocin IV - syntocinon
when should you stop inducing
in distress or uterine hyperstimulation
what other drug can be used for cervical ripening and inducing labour
misoprostol- prostaglandin E1 analogue
problems of induction
failed induction, uterine hyperstimulation, instrumental and C section rates higher, iatrogenic prematurity, infection, bleeding, cord prolapse, uterine rupture