200
This is how you diagnose asthma in pregnancy.
What is just as in non-pregnant pt? Sxs (wheezing, chest cough, SOB, chest tightness), temporal relationships (fluctuating intensity, worse at night) and triggers (allergens, exercise, infxns) ideally confirmed by demonstrating airway obstruction on spirometry that is at least partially reversible (>12% increase in FEV1 after bronchodilator).