Detailed Instructions: Given an abstract, indicate which of the provided candidate titles (Option1 and Option2) best describes it (respond with the text of the title, not option1/2).
Q: Abstract: The course of a pregnant patient at term who was acutely exposed to carbon monoxide is described. A review of the fetal-maternal carboxyhemoglobin relationships and the differences in fetal oxyhemoglobin physiology are used to explain the recommendation that pregnant women with carbon monoxide poisoning should receive 100% oxygen therapy for up to five times longer than is otherwise necessary. The role of hyperbaric oxygen therapy is considered.
Which is the apt title for the abstract? option1: Acute carbon monoxide poisoning during pregnancy. option2: Immune haemolytic anaemia and nomifensine treatment in north west England 1984-85: report of six cases.
A:
Acute carbon monoxide poisoning during pregnancy.