Abstract
The perfection of technology in pregnancy, the obstetric care guidelines, the standardized fetal and neonatal assessments allow that the first meeting with the newborn was not with «some body unknown».
Nevertheless, all these advances contrast with the neglect of sanitary information on basic puériculture. Several of these aspects are evaluated by a screening of medical histories. The research perspectives, both animal and human, consider very important for the subsequent development of behaviour the first contacts between mother and son. It is in the perinatal visits, where the sanitary staff must motivate the perfect fitting of the newborn to his mother, not only in the nutritional and sanitary guidelines, but in the equilibrium of this first social contact. Both, maternal and neonatal are essential for developing the mother-son interaction.

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Copyright (c) 1986 Boletín de Pediatría