SBI300 Obstetrics

Question 1

when does stage one of labour occur

Answer 1

Start of regular contractions to 10cm dialation of cervix

Question 2

When does stage two of labour occur

Answer 2

10cm of dialation to birth of baby

Question 3

Stage three of labour occurs between

Answer 3

birth of baby to birth of placenta

Question 4

hormone process to begin labour is:

Answer 4

progesterone inhibits uterin contraction. end of gestation oestrogen increases inhibiting progesterone
increase oestrogen increase secreation of corticotropin releaseing hormone
stimulates anterior pirtuitary gland to secret DHEA
DHEA converts into oestrogen. high levels of oestrogen causes upregulation of oxcytocin receptors

Question 5

describe the birthing process

Answer 5

when head is crowning apply pressure to the head to slow birth. Encourage panting or breathing through the contractions to also prevent a fast birth.
The baby restitues. going from facing mums spine to facings mums right side
Support the head and apply gentle axial traction
Anterior should will be delivered
axial traction changes to gentle upwards traction delivering the posterior shoulder
skin to skin contact encourage breast feeding

Question 6

Cutting the cord?

Answer 6

wait till has stopped pulsating place clams at 10-15-20 cm from baby cut between 15cm and 20cm

Question 7

dose and indication of oxcyticin

Answer 7

10IU for Post Partum haem.
active third stage labour