Final answer:
A multiparous woman at 39 weeks of gestation who is expecting twins may experience a breech delivery. Cesarean section is also more likely due to the potential complications.
Step-by-step explanation:
A multiparous woman at 39 weeks of gestation who is expecting twins may experience a breech delivery. This is because twin pregnancies are often at higher risk for certain complications, including abnormal presentation of the babies. Breech presentation is when the baby's buttocks or feet are positioned to come out first instead of the head. While it is possible for a woman expecting twins to deliver vaginally, the likelihood of a cesarean section is higher due to the potential for complications such as breech presentation.