Paedintermediate
Identify three clinical factors that favor a successful vaginal birth after cesarean (VBAC) and three clinical factors that negatively impact the likelihood of success.
Answer
Favorable factors include: (1) previous vaginal delivery (especially a prior successful VBAC), (2) presentation or admission in active labor, and (3) an adequate interpregnancy interval (>6 months). Negative factors include: (1) maternal obesity, (2) advanced maternal age (>40 years), and (3) postdated pregnancy.
Explanation
A precise answer avoids assigning a direction where the source does not. The lecture expressly labels three factors favorable and three negative, while also mentioning birthweight and clinician threshold. **Key takeaway:** Preserve the distinction between specified and unspecified predictor direction. **Glossary:** **Postdated pregnancy**: pregnancy continuing beyond the expected date.
Related Questions
- Explain the lecture's definition of CS and distinguish it from hysterotomy.(basic)
- The surgical removal of a fetus via an incision through the abdominal and uterine walls prior to the period of fetal viability (traditionally before 28 weeks of gestation) is defined as a ______.(basic)
- Place the following steps in the correct chronological order when responding to suspected uterine rupture during a trial of labor after cesarean (TOLAC):(advanced)
- In obstetrics, surgical delivery of a fetus through an abdominal and uterine incision prior to the age of fetal viability is termed a hysterotomy rather than a cesarean section.(basic)
- Arrange the procedural steps of a standard cesarean delivery in the correct chronological order from first to last.(intermediate)
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