Three phases of 1st stage of labour are..
Latent phase
Active phase
Transition phase
In the latent phase of labour, there is _____ cervical dilation progressing at _____ an hour with _______ contractions
0-4cm dilation, 0.5cm an hour (nulliparous)
- Irregular contractions
In the Active phase of labour, there is _____ cervical dilation progressing at _____ an hour with _______ contractions
4-7cm dilation, 1cm per hour
- Regular, longer contractions
In the transitional phase of labour, there is _____ cervical dilation progressing at _____ an hour with _______ contractions every _____ minutes
7-10cm dilation
- Regular contractions every 2-3 mins
Delay of the first labour stage occurs when there is _______
<2cm cervical dilation in 4 hours.
First line management of crossing the ‘alert’ line in a partogram
Amniotomy, repeat assessment in 2 hours.
First line management of crossing the ‘action’ line in a partogram
Escalation to obstetric-led care
Delayed 2nd stage of labour occurs when…
Pushing lasts for >2 hours in nulliparous or 1 hour in multiparous
Causes of delayed 2nd stage of labour
3 Ps
Fetal qualities that can delay labour
Macrosomia
- shoulder dystocia can occur
Attitude
- Posture of the fetus
Lie
- Oblique and transverse
Presentation
- Breech/ shoulder
Delayed 3rd stage of labour is defined as…
> 30 mins with active management
> 60mins with physiological management
Risk factors for shoulder dystocia
Macrosomnia
Small pelvis
Interventions for shoulder dystocia
Signs of shoulder dystocia
Obstruction in delivering shoulders
Failure of restitution (face remains downwards)
Turtle-neck sign (head retracting back to vagina)
Rubins manoevre
Manoevre for shoulder dystocia
Involves putting forward pressure on posterior aspect of anterior shoulder
The __________ manoeuver involves pushing the baby’s head back into the vagina during delivery for C-section
Zavanelli
Shoulder dystocia complications
Fetal hypoxia/ brain damage
Brachial plexus injury (i.e. Erb’s palsy)
Perineal tear
PPH
Shoulder dystocia complications
Fetal hypoxia/ brain damage
Brachial plexus injury (i.e. Erb’s palsy)
Perineal tear
PPH
Risk factors for uterine rupture
Previous c-section/ uterine surgery
VBAC
Multiple pregnancy
Oxytocin use for contractions/ induced labour
Older age
Methods for labour induction
Methods for labour induction
______ is used to induce labour in intrauterine foetal death
Oral mifepristone + misoprostol
_______ is a complication of vaginal prostaglandins
Uterine hyperstimulation
Uterine hyperstimulate describes
> 5 uterine contractions every 10 minutes