Amniotomy for Labor Induction

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Questions and Answers

What is the main disadvantage of using amniotomy alone for labor induction?

  • Predictable interval until labor onset
  • Unpredictable and occasionally long interval until labor onset (correct)
  • Decreased risk of chorioamnionitis
  • Shortened labor duration

In a trial by Bakos and Bäckström, what was found to be superior to oxytocin alone for labor induction?

  • Late amniotomy
  • Early amniotomy
  • Oxytocin alone
  • Amniotomy combined with oxytocin (correct)

What effect did early amniotomy have on labor duration according to Mercer and colleagues (1995)?

  • No effect on labor duration
  • Decreased by 4 hours (correct)
  • Increased by 4 hours
  • Induced chorioamnionitis

What was reported by De Vivo and associates (2020) regarding the risk of cesarean delivery with early amniotomy?

<p>No impact on cesarean delivery risk (D)</p> Signup and view all the answers

When is amniotomy commonly performed for labor augmentation?

<p>When labor is abnormally slow (C)</p> Signup and view all the answers

What effect did amniotomy at approximately 5-cm dilation have on spontaneous labor according to Table 26-6?

<p>Accelerated spontaneous labor by 1 to 11⁄2 hours (D)</p> Signup and view all the answers

What was found NOT to be higher following amniotomy at approximately 5-cm dilation according to the text?

<p>Overall cesarean delivery rate (B)</p> Signup and view all the answers

What was the main finding in a trial by Mercer and colleagues (1995) regarding early vs late amniotomy?

<p>-4 hour reduction in labor duration with early amniotomy (B)</p> Signup and view all the answers

'Early amniotomy' refers to performing amniotomy at which cervical dilation according to Mercer and colleagues (1995)?

<p>-1 to -2 cm dilation (C)</p> Signup and view all the answers

Flashcards

Amniotomy alone disadvantage?

Unpredictable time until labor starts.

Better than oxytocin alone?

Amniotomy combined with oxytocin

Early amniotomy effect on labor?

Decreased by 4 hours

When is amniotomy performed for augmentation?

When labor is abnormally slow

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Amniotomy at 5cm effect on labor?

Accelerated it by 1 to 1.5 hours.

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What's NOT higher after amniotomy at 5cm?

Overall cesarean delivery rate

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Early vs late amniotomy finding?

4-hour reduction in labor duration

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What is considered 'early amniotomy'?

1 to 2 cm dilation

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