Mother's substance abuse, depression, very young or old age, poor social support, private negative experiences of personal relationships in childhood, and fear of childbirth may impair the normal development of attachment during pregnancy. The recognition of potential risk factors of attachment of the pregnant mother and future early interaction is possible in anterpartal care. Systematic development and study of effectiveness of interventions strengthening the attachment are essential. Ultrasound consultation appears to be one of the promising tools in strengthening the attachment.