allergic medical history

Study of 557 pregnant women
The study, a prospective cohort research funded by the National Institute of Allergy and Infectious Diseases, looked at 557 expecting women from different cities including Boston, Baltimore and New York.

The sample largely consisted of ethnic minorities, out of which 20 percent were those living under poverty line. Almost all the families had at least one of the parents having an asthmatic or allergic medical history.