Comorbidity in pregnant patients in a psychiatric inpatient setting.

The impact of substance abuse on mental illness is substantial. The consequences of comorbidity on pregnant women has not been previously reviewed. This paper discusses the implications of interrelationship of substance use and mental illness on pregnancy. We present data from a retrospective study of pregnant women admitted for psychiatric care, reviewing the relationships of comorbidity to their demographic, psychiatric, and obstetrical histories and follow-up prenatal care.