CPM Certified Professional Midwife

Answer: B - Hypoxia and C. Acidosis

Fetal complications of prolonged labor include hypoxia, intrauterine infection, operative delivery, and fetal acidosis. Distress and trauma can also affect the pregnant woman. Various things can cause prolonged labor (e.g., uterine inertia, cervical dystocia, pelvic tumor, malpresentation, and malposition). Labor is generally considered to be prolonged when the combined duration of the first and second stages of labor are more than approximately 18 hours.