(A) Fetal tachycardia may indicate fetal hypoxia; however, 170 bpm is only mild tachycardia. (B) Nausea and vomiting occur frequently during transition and are not a complication. (C) Contractions frequently last 60-90 seconds during the transitional phase of labor and are not considered a complication as long as the uterus relaxes completely between contractions. (D) Passage of meconium in a vertex presentation is a sign of fetal distress; this may be normal in a breech presentation owing to pressure on the presenting part.