Preterm Labour

Question 1

What is progressive cervical changes with uterine contractions occurring between 20 - 37wks of gestation

Answer 1

Preterm Labour

Question 2

What is the glycoprotein that plays a role in maintaining the integrity of fetal membranes and is present in secretions in early and late pregnancy?

Answer 2

Fetal Fibronectin

Question 3

What does a negative fetal fibronectin mean?

Answer 3

90% chance of NOT delivering in the next 2 weeks

Question 4

What does a positive fetal fibronectin mean?

Answer 4

1/6 chance of delivering in next 2 weeks and 1/3 chance before 36wk

Question 5

What is the normal cervix length at 34wk?

Answer 5

3.5cm

Question 6

What cervical length does SOGC recommend progesterone or cerclage if preterm?

Answer 6

under 2.5cm

Question 7

What is the dose of steroids if pt going into preterm labour?

Answer 7

betamethasone 12mg IM q24h OR dexamethasone 6mg IM q12h x 4

Question 8

What are the two most predictive factors of Preterm labour?

Answer 8

+ fetal fibronectin with a shortened cervix on transvag US

Question 9

What do you give for neuroprotection of fetus in preterm labour?

Answer 9

mag sulph 4g IV loading then 1g hourly until delivery

Question 10

What are the weeks of gestation that is considered preterm labour?

Answer 10

20 - 37 weeks