[Epidemiology of extrauterine pregnancy].

An epidemiological study of ectopic pregnancy shows an increased frequency, a diminution of mortality by ectopic pregnancy. This review of the literature points out the influence of several factors implicated in the increased incidence of ectopic pregnancy: pelvis inflammatory disease (PID), intrauterine device and other contraceptive methods tubal ligation, induced abortions, tubal microsurgery, proximal tubal disease, ovulation induction and in vitro fertilization, diethylstilboestrol (DES) syndrome.