[Immunology and pregnancy].

Immunology in pregnancy is a meeting ground between basic research in biology and daily medical practice. For gynecologists and obstetricians, the authors have attempted to synthesize the acquired knowledge and the current hypotheses on this very complex topic. Three main chapters will be successively approached: a reminder of the normal immune system and its development in the fetus, immunity in pregnant women and the dysimmune pathology during pregnancy, the feto-maternal immune relationship and its possible complications.