"Almost all pregnant women are short of breath and fatigued, which are the typical symptoms of heart failure," said Hameed.
A distraction—if not, perhaps, a breath of fresh air, exactly.
They would like to marry legally, though they are not holding their breath that it will happen any time soon.
Old English bræð "odor, scent, stink, exhalation, vapor" (Old English word for "air exhaled from the lungs" was æðm), from Proto-Germanic *bræthaz "smell, exhalation" (cf. Old High German bradam, German Brodem "breath, steam"), from PIE root *gwhre- "to breathe, smell."
The air inhaled and exhaled in respiration.
A single respiration.