[Perinatal health in Rotterdam, the Netherlands--experiences after 2 years of 'Ready for a baby'].

The primary goal of the Rotterdam-based health programme 'Ready for a baby' is an improvement in perinatal results via improved, risk-directed care shared across disciplines. After 2 years we conclude that many women who are or who will become pregnant lack knowledge about perinatal risk factors. They are, however, positive about preconception care. High-risk groups can best be accessed via group-based education; results of individual preconceptual care c