Из гугла, вестимо http://www.google.com/search?hl=en&q=Cesarean+and+asthmaНапример:Babies delivered by planned cesarean section are significantly more likely to require hospitalization for asthma during childhood than babies born vaginally, Dr. Gordon Smith reported at the annual meeting of the Society for Gynecologic Investigation.The risk was higher during the first year of life (1.75 as likely) and dropped to baseline by 5 years or older, according to Dr. Smith.