[Trends in social inequalities in pregnancy care in Barcelona (Spain), 1994-97 versus 2000-03].

Objective: To describe and compare social inequalities in pregnancy care among pregnant women living in Barcelona (Spain) in 2 periods.

Methods: Two 4-year periods were compared: 1994-1997 and 2000-2003. The study population consisted of pregnant women living in Barcelona and the control sample was drawn from the Barcelona Birth Defects Registry (n = 905 in 1994-1997; n = 927 in 2000-2003).