labour and delivery Flashcards
what produces oxytocin at labour
mother AND fetal posterior pituitary
which muscles used at delivery
uterine smooth muscle contarctions plus contraction of abdominal muscles
what happens with progesterone during preg
keeps rising until 7 months
what are 4 phases of labour
latent ->3 ACTIVE->7 transition ->10 pushing
how long contractions at transition
60-90 secs 2-3 mins apart
how long contractions in active labour
45-60secs, 2-5 mins apart
how often bp and pulse temp urinalysis
every 4 hours
what is baby heartrate monitor called
cardiotocography
what is worrisome on CTG
late deceleration - ie nadir is after peak of contraction - placenta is compromised
what is normal on ctg
accelerations - acme 15bpm above baseline
variable decelerations
early deceleration (nadir matches peak of contraction)
which skull bone is anterior in majority of deliveries
left occiput
which is biggest fontanelle
anterior
where is pelvis widest at L5
transverse
where is pelvis widest at pelvic outlet
front to back
when measuring descent, what is ischial spine
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