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Induction and Augmentation of Labor

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

a. The fetal membranes are intact.

b. Oxytocin is titrated to effect.

c. Contractions are pharmacologically stimulated.

d. Previously commenced labor fails to effect cervical change.

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

a. Twin gestation

b. Breech presentation

c. Fetal-growth restriction

d. Prior vertical hysterotomy cesarean delivery

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

a. Low Bishop score

b. Engaged fetal head

c. Multiparous parturient

d. All of the above

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

a. Uterine atony

b. Chorioamnionitis

c. Cervical lacerations

d. All of the above

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?

a. Threefold

b. Sixfold

c. Tenfold

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

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