2: Normal labour and peurperium Flashcards Preview

Reproduction Week 4 2018/19 > 2: Normal labour and peurperium > Flashcards

Flashcards in 2: Normal labour and peurperium Deck (50)
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1

What is a birth plan?

Note of what the woman wants re: labour and post birth

2

Is a woman required to have a birth plan?

No

3

Which hormones

a) encourage

b) discourage

uterine contractions?

a) Oestrogen, oxytocin

b) Progesterone

4

Which chemicals are released in response to oxytocin, inducing labour?

Prostaglandins

5

Stretch of the uterine muscles increases their excitability.

What can therefore trigger labour?

Growth of baby

Multiple pregnancy

6

What is the Ferguson reflex?

Oxytocin release in response to cervical stretch

Encouraging uterine contractions and childbirth

7

Which two hormones trigger prostaglandin formation?

Oestrogen

Oxytocin

8

Which reflex causes oxytocin release in response to the stretching of uterine / cervical muscle?

Ferguson's reflex

9

What ruptures at the beginning of labour?

Amniotic sac

"floods" of amniotic fluid

10

What is membrane rupture also known as?

Water break

11

When can membrane rupture occur?

Pre-labour (as intended)

Pre-term (bad)

Or baby can be born "in a caul" i.e still in the amniotic sac

12

What happens to the cervix as labour progresses?

Softens and dilates

13

What score is used to determine whether or not a medical induction of labour will be required?

Bishop score

14

What type of labour is advised if a woman's Bishop score is high?

Spontaneous labour

15

What type of labour is advised if a woman's Bishop score is low?

Medical induction of labour

manual membrane rupture --> oxytocin

16

How many stages of labour are there?

Three stages

17

As labour progresses, the ___ dilates until expulsion occurs.

cervix dilates

18

How long does labour last on average?

Around 10 hours

19

What diameter does the cervix contract to in the first stage of labour?

3cm

20

What diameter describes complete dilatation of the cervix?

10cm

21

In which stage of labour is the baby actually delivered?

Third stage

22

How long does the third stage of labour last?

10 minutes

23

After how long in the third stage of labour would you consider a caesarean section?

1 hour

24

What is the medical name for false labour contractions?

Braxton-Hicks contractions

25

When do Braxton-Hicks contractions occur?

Third trimester

26

What increases a woman's chances of having Braxton-Hicks contractions?

Multiparity

27

Which hormone is primarily responsible for true labour contractions?

Oxytocin

28

Describe true labour contractions.

Regular rhythm

Duration = 10 - 45s

Frequency = 1 - 4 / 10 mins

Gradually shortening intervals

Painful

29

What is the purpose of labour contractions?

Pushes baby down into the pelvis ready for delivery

30

The power of uterine contractions is dependent on what?

Uterine muscles