Trial Of Labor & Vbac

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| By Obgynume
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Obgynume
Community Contributor
Quizzes Created: 8 | Total Attempts: 14,550
| Attempts: 688
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  • 1/5 Questions

    One of the risks of TOLAC that most significantly affects maternal and neonatal morbidity is?

    • Increased length of labor
    • Uterine rupture
    • Infection
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About This Quiz

Explore key aspects of Trial of Labor and Vaginal Birth After Cesarean (VBAC) through this focused quiz. Assess your understanding of VBAC success rates, benefits over cesarean delivery, major risks like uterine rupture, and factors influencing VBAC outcomes.

Pregnancy Quizzes & Trivia

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  • 2. 

    What is the overall rate of achieving VBAC (Vaginal delivery after cesarean) in TOLAC (trial of labor after cesarean)

    • 60% - 80%

    • 40% - 60%

    • 87%

    • 91%

    Correct Answer
    A. 60% - 80%
    Explanation
    The overall probability of VBAC in TOLAC is 60-80% but on an individual basis the success rate depends on demographic and obstetric charactorisitics. For example a women who has a C-section for breech presentation would have a good chance of achieving VBAC whereas a woman who a c-section because of arrest of labor is less likely to succeed.

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  • 3. 

    Factors that decrease chances of successful VBAC in TOLAC are all of the following EXCEPT:

    • Increased maternal age

    • Pre-eclampsia

    • Short interpregnancy interval

    • Spontaneous labor

    • Gestational age greater than 40 weeks

    • Maternal obesity

    Correct Answer
    A. Spontaneous labor
    Explanation
    Factors that increase the likelihood of successful VBAC are:
    - Prior Vaginal deliveries
    - Spontaneous Labor
    Factors that decrease the likelihood of successful VBAC are:
    - Increased maternal age
    - Non-White ethnicity
    - Gestational age greater than 40 weeks
    - Maternal obesity
    - Preeclampsia
    - Short interpregnancy interval
    - Increased neonatal birth weight
    - Recurrent indication for initial cesarean delivery (like labor dystocia)

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  • 4. 

    The Benefits of VBAC over cesarean could be all of the following EXCEPT:

    • Reduced rates of hemorrhage

    • Reduced rates of infection

    • Shorter recovery period

    • Reduced risk of endometritis

    Correct Answer
    A. Reduced risk of endometritis
    Explanation
    VBAC (Vaginal Birth After Cesarean) is a preferred option for many women who have previously undergone a cesarean section. It offers several benefits over a repeat cesarean, including reduced rates of hemorrhage, infection, and endometritis. However, the given answer states that the benefit of VBAC over cesarean is not a reduced risk of endometritis. This implies that there might be no significant difference in the occurrence of endometritis between VBAC and cesarean births.

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  • 5. 

    Risk factors that have been shown to increase the risk of uterine rupture are all of the following EXCEPT:

    • Augmentation of labor

    • Gestation beyond 40 weeks

    • Previous classical C/S uterine incision

    • Twin gestation

    • Unknown previous C/S uterine incision

    Correct Answer
    A. Twin gestation
    Explanation
    Twin gestations showed equal probability for success in VBAC when compared to singleton pregnancies and had no greater risk of uterine rupture.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 27, 2013
    Quiz Created by
    Obgynume
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