L22 - Induction of Labour

Question 1

how is labour induced?

what is triggered what is involved

Question 2

initiation of labour
what hormones happen, what does this lead to
what else stimulates uterus

Question 3

stages of labour - what are they

what happens at each stage, briefly

Question 4

active labour: first stage

what happens how do you diagnose

Question 5

how do you measure the progess of the movement fo the baby during labour?

Answer 5

pelvic brim and ischial spines

Question 6

second stage of labour

what is it

Question 7

what is the pelvic inlet
and pelvic outlet

what are their shapes

pelvic outlet - what are its 3 diameters

Question 8

fetal skull
fontanelles? — when do they close
diameters?

Answer 8

anterior fontanelle - bregma
posterior fontanelle

supraoccipitomental diameter
submentobregmatic diameter
occipitofrontal diameter
subocciptobregmatic diameter

biparietal diameter
bitemporal diameter

Question 9

what is the mechanism of birth

baby head

Question 10

third stage of labour
what is it

what are the two things that can happen here

Question 11

fetal monitoring in labour
why is it done
and how is it done

how often

what else can be done - why?

Answer 11

detect hupoxia and deliver baby if needed
how 
screening fetal heart rate
pinard / sonicard
fbs

intermittent auscultation

ctg cardiotograph - of normal baby okay - HIGHLY SENSITIVE
poorly specific - abnormal onlu in a few hypoxic babies

so to avoid fetal distress caused c sections, need to check CTG findings with FBS

FBS
ph and base XS result
containdications in infection - HIV, heb b
fetal bleeding disorder
less than 32 weeks prematurity