Labour stages and obstruction Flashcards Preview

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Flashcards in Labour stages and obstruction Deck (15)
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1
Q

How long does the latent phase of the 1st stage last?

A

Can last days

2
Q

What should be the dilatation increase per hour in the active phase of the 1st stage?

A

1-2cm per hour

3
Q

When would the 2nd stage of labour be classed as prolonged in a nulliparous woman with and without anaesthesia?

A

With anaesthesia - >3 hours

Without anaesthesia - >2 hours

4
Q

When would the 2nd stage of labour be classed as prolonged in a multiparous woman with and without anaesthesia?

A

With anaesthesia - >2 hours

Without anaesthesia - >1 hour

5
Q

How long does the 3rd stage of labour normally last?

A

10 mins

6
Q

What is done if the 3rd stage of labour takes over an hour?

A

Preparation made for removal under GA

7
Q

What can actively be done to try and progress the 3rd stage of labour?

A

Use oxytocic drugs and controlled cord traction

8
Q

How long does the puerperium last?

A

6 weeks

9
Q

What would class as suspected delay in stage one for a nulliparous woman?

A

<2cm dilation in 4 hours

10
Q

What would class as suspected delay in stage one for a parous woman?

A

<2cm dilation in 4 hours
OR
slowing in progress

11
Q

How do you assess the foetus (normally) during phase 1 of labour and how frequently?

A

Doppler auscultation of foetal heart
During and after a contraction
Every 15 minutes

12
Q

How do you assess the foetus (normally) during phase 2 of labour and how frequently?

A

Doppler auscultation of foetal heart
At least every 5 minutes during and after a contraction for 1 whole minute
Check maternal pulse every 15 mins

13
Q

What are the indications for cardiotocography (CTG)?

A
Small foetus
Preterm/post dates
Antepartum haemorrhage
Hypertension/pre-eclampsia
Diabetes
Meconium
Epidural 
VBAC (vaginal birth after caesarean)
Premature rupture of membranes >24 hours
Sepsis (temp >38*)
Induction/augmentation of labour
14
Q

What is the normal variability in the CTG?

A

5-25 bpm

15
Q

Are decelerations always a sign of hypoxia?

A

No

If they are late (not timed with contractions) they are a sign of hypoxia

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