Normal Labour Flashcards
When does labour normally occur?
Week 37-42
What is the first stage of labour?
Onset to 10cm dilation of cervix
What are the phases of the first stage of labour?
Latent phase
Active phase
Transition phase
What is the latent phase?
0-3cm dilation
How quickly should dilation progress in the latent phase?
0.5cm/hour
Are the contractions regular or irregular in the latent phase?
Irregular
What is the active phase?
3-7cm dilation
How quickly should dilation progress in the active phase?
1cm/hour
Are the contractions regular or irregular in the active phase?
Regular
What is the transition phase?
7-10cm dilation
How quickly should dilation progress in the transition phase?
1cm/hour
Are the contractions regular or irregular in the transition phase?
Regular
What is the second stage of labour?
10cm dilation - delivery of baby
What influences the second stage?
3 Ps
Power = strength of contractions
Passage = size/shape of pelvis
Passenger = fetus
- size
- attitude
- lie
- presentation
What are the 7 cardinal movements of labour?
Engagement Descent Flexion Internal rotation Extension Restitution + external rotation Expulsion
