Normal Labour Flashcards
How is foetal engagement measured?
Estimated using the palm width of the five fingers of the hand. If five fingers are needed to cover the head above the pelvic brim, it is five-fifths palpable, and if no head is palapbale, it is zero fifths
When does foetal engagement occur?
- Nulliparous - 37 weeks beyond
- Multiparous - may not occur until labour
Where is the foetal engagement measured from?
Pubic symphysis
What is the following foetal position?
Right occiput transverse
What is the following foetal position?
Right occiput anterior
What is the following foetal position?
Occiput anterior
What is the following foetal position?
Left occiput anterior
What is the following foetal position?
Left occiput transverse
What is the following foetal position?
Left occiput posterior
What is the following foetal position?
Occiput posterior
What is the following foetal position?
Right occiput posterior
What are the boundaries of the pelvic inlet?
- Anterior - upper boerder of pubic symphysis
- Laterally - Ileopectineal line
- Posterior - sacral promontory
What are the boundaries of the pelvic outlet?
- Anterior - pubic arch
- Posterolaterally - sacrotuberous ligaments and ischial tuberosities
- Posterior - coccyx
What are the cardinal movements of labour?
- Transverse engagement
- Descent and flexion
- internal rotation to OA
- Crowning - extension
- Restitution - OA to LOT/ROT
What is the sequence of passage through the pelvus for a normal vertex delivery?
- Cardinal movements of labour
- External rotation of shoulders
- Delivery of the anterior shoulder
- Delivery of posterior shoulder
What are the phases of the first stage of labour?
- Latent phase
- Active phase
What is the latent phase of the first stage of labour?
The period taken for the cervix to completely efface and dilate up to 3cm
What is meant by the term effacement?
Shortening of the cervix
What is the active phase of the first stage of labour?
Dilation of the cervix from 3cm to 10 cm