[Constitutional anomalies of hemostasis and management in surgical situation. Evaluation of 10 years' activity at the Hospital Centers of Aulnay-sous-Bois and Saint-Denis].

A ten-year retrospective study was conducted in 4 women in labor and 23 surgical patients with congenital clotting factor deficiency. Appropriate use of replacement therapy and good cooperation between biologists, anesthesiologists, and surgeons are essential to ensure a favorable outcome.