[Fertility after ectopic pregnancy: the population-based register of the urban area around Lille, Northern France].

The aims of this work were the evaluation of the reproductive outcome after ectopic pregnancy, and the assessment of the role of infertility risk factors and treatment's strategy. All patients in the population-based register of the urban area around Lille, Northern France, were followed-up. 345 women treated between April 1994 and March 1997, who were trying to become pregnant were interviewed by telephone every 6 months and then every year. The cumulative pregnancy rates were calculated by the Kaplan-Meier estimation. Associations between infertility risk factors and intrauterine pregnancy were tested by the logrank test, and by a Cox model for multivariate analysis. The mean duration of follow-up was 22 months, and 228 (66%) women had obtained a new pregnancy at the time of the analysis. 23 (10%) of the first pregnancies were recurrences. For women for whom EP occurred with an IUCD (17 patients), the 1 year intrauterine pregnancy (IUP) reached 67%. For the others, the 1 year IUP rate was 56%, and reached 67% after 2 years. After adjusting factors associated with fertility with a Cox regression, 3 factors seemed to lower reproductive performances: age > 35 years, previous history of infertility, and anterior tubal damage. More than half the women treated for EP obtained spontaneously a normally progressive pregnancy after 1 year. Reproductive performances are associated with characteristics of the patients, but do not depend on radical or conservative treatment.