A pregnant woman has been brought to the emergency department by the rescue squad with symptoms of ...

A pregnant woman has been brought to the emergency department by the rescue squad with symptoms of heat exhaustion after competing in an outdoor race on a hot day.
 
  Before discharge, the nurse teaches about appropriate exercise during pregnancy. The husband asks if the woman's having heat exhaustion will harm the baby. Which response by the nurse is most accurate?
  A.
  Definitely; that's why pregnant women should not do aerobic exercise.
  B.
  Fetal temperature depends on mom's temperature, so the fetus may be affected.
  C.
  The baby is in a fluid environment and won't get overheated.
  D.
  Yes, but if we rapidly cool mom down, there won't be any problems.