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Induction and Augmentation of Labor

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Compared with the induction of labor, the augmentation of labor differs in what regard?

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a. The fetal membranes are intact.

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b. Oxytocin is titrated to effect.

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c. Contractions are pharmacologically stimulated.

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d. Previously commenced labor fails to effect cervical change.

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All EXCEPT which of the following are contraindications to labor induction?

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a. Twin gestation

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b. Breech presentation

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c. Fetal-growth restriction

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d. Prior vertical hysterotomy cesarean delivery

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The risk for cesarean delivery is increased in women undergoing induction of labor in which of the following situations?

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a. Low Bishop score

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b. Engaged fetal head

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c. Multiparous parturient

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d. All of the above

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Women whose labors are managed with amniotomy are at increased risk for which complication?

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a. Uterine atony

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b. Chorioamnionitis

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c. Cervical lacerations

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d. All of the above

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A 30-year-old G2P1 at 37 weeks’ gestation with one prior cesarean delivery presents with contractions and premature rupture of the fetal membranes. Her cervix is 3 cm dilated. She requests a trial of labor and is deemed an appropriate candidate. An oxytocin infusion is initiated, and 2 hours later, you are called to the room to evaluate the fetal heart rate tracing, which is shown below. According to a large study conducted by the Maternal-Fetal Medicine Units Network, the use of oxytocin increases the risk for uterine rupture by what magnitude in women with a prior cesarean delivery?

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a. Threefold

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b. Sixfold

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c. Tenfold

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d. No change from background risk in women undergoing trial of labor after cesarean

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