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15 Cards in this Set

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What are the signs and symptoms of the onset of labour?
Painful regular uterine contractions
A show
Rupture of the membranes Diagnosis is by effacement (shortening) and dilatation of the cervix
What is the uterine action in a contraction?
contraction wave starts near one or other cornu. This spreads in the myometrium, taking 10-30 seconds to reach the whole uterus. The contraction may take another 30 seconds to reach its peak.

Duration of contraction is greater in the upper than the lower segment – result is effacement.
What does an abnormal wave patterns with lack of dominance of the upper segment lead to?
uncoordinated uterine contractions, i.e. dysfunctional labour
What is the role of oxytocin?
Protein hormone, 8 amino acids from posterior pituitary
Increased myometrial and decidual oxytocin receptors in late pregnancy
Effective in augmenting uterine contractions
What is a Partogram?
Graph of cervical dilatation against time
First stage of labour
Start partogram when labour diagnosed
What are the signs and symptoms of the onset of labour?
Painful regular uterine contractions
A show
Rupture of the membranes Diagnosis is by effacement (shortening) and dilatation of the cervix
What is the uterine action in a contraction?
contraction wave starts near one or other cornu. This spreads in the myometrium, taking 10-30 seconds to reach the whole uterus. The contraction may take another 30 seconds to reach its peak.

Duration of contraction is greater in the upper than the lower segment – result is effacement.
What does an abnormal wave patterns with lack of dominance of the upper segment lead to?
uncoordinated uterine contractions, i.e. dysfunctional labour
What is the role of oxytocin?
Protein hormone, 8 amino acids from posterior pituitary
Increased myometrial and decidual oxytocin receptors in late pregnancy
Effective in augmenting uterine contractions
What is a Partogram?
Graph of cervical dilatation against time
First stage of labour
Start partogram when labour diagnosed
What are the Causes of abnormal labour?
3 Ps

Powers (Uterine contractions)
Passage (Capacity of the pelvis)
Passenger (Fetal size/ cephalopelvic disproportion)

Passenger
What is a shoulder dystocia?
Shoulders held up by pubic bone in a head delivery.
Placenta separated=no fetal blood supply.
Risk of fetal damage
Can you predict a shoulder dystocia?
Increases with birthweight, but 50% in babies of normal birth weight.
What are the warning signs of shoulder dystocia?
Prolonged first stage
Prolonged second stage
Assisted delivery
Fetal head retracts against the perineum after delivery
What the fuck do you do in a shoulder dystocia!?!?!?!?
Helperr

H=call for help
E=evaluate for episiotomy
L=legs McRoberts
P= external pressure
E=enter for wood screw manoeuvre
R=remove posterior arm
R=role deliver posterior arm.