[Etiology of intrauterine growth retardation. Part II: maternal disorders].

The second part of discussion incorporates maternal conditions influencing the risk of intrauterine growth retardation. Special attention was paid to the systemic abnormalities, and those pregnancy related, known for their links with affected placenta-uterine barrier or otherwise related to abnormal fetal growth. Both social and environmental groups of factors potentially influencing prenatal development have been discussed.