Final answer:
A fetal heart rate greater than 160 suggests fetal distress and may require emergency birth methods.
Step-by-step explanation:
A fetal heart rate greater than 160 suggests fetal distress. This can be caused by severe contractions that limit oxygenated blood flow to the fetus. In such cases, emergency birth methods, such as vacuum, forceps, or Caesarian section, may be necessary to ensure the well-being of the fetus.