labour + delivery Flashcards
1st stage
onset of labour to 10cm dilation
involves cervical effacement and dilatation
3 phases
- latent
- active
- transitional
1st stage - latent phase
0-3cm
0.5cm an hour
irregular contractions
1st stage - active phase
3-7cm
1cm an hour
regular contractions
1st stage - transition phase
7-10cm
1cm an hour
strong and regular contractions
2nd stage
10cm dilation to birth of baby
2nd stage - active
presenting part visible
voluntary expulsive contractions
2nd stage - passive
fully dilated
no expulsatory contractiions
3rd stage
birth of baby to delivery of placenta
3rd stage - physiologicl
placenta delivered by maternal effort
no drugs or cord traction
3rd stage - active Mx
shortens 3rd stage and reduces risk of bleeding
IM oxytocin
controlled cord traction
lie of baby
longitudinal
transverse
oblique
baby presentation - cephalic
head first
baby presentation - shulder
shoulder first
baby presentation - breech
legs are first
complete breech
hips and knees flexed
like cannonball jump into pool
frank breech
hips flexed and knees extended
bottom first
footling breech
foot hanging out cervic
cardinal movements of labour
engagement descent flexion internal rotation extension restitution and external rotation expulsion