[Are unexpected pregnancy over age 40 at high risk?].

A study concerning 5 years of activity at the Maternity of La Pitié, has shown differences in the population of pregnant women after the age of 40: decreased absolute number, relative increase of primiparous women, improvement of the socio-economic level, resulting in a decreased maternal and fetal pathology. The perinatal mortality remains almost 3 times higher than for the overall population.