title: [Are ectopic pregnancies are reducing?].
authors.affiliation: STAKES, National Research and Development Center for Welfare and Health, Helsinki, Finland.
authors.forename: T
authors.initials: T
authors.lastname: Luukkainen
mesh_terms: D018563:Disease Notification / Q000592:standards*; D005260:Female; D005387:Finland / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis / Q000453:epidemiology*; D012042:Registries; D012680:Sensitivity and Specificity