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  1. Fulltext. Estimates of the annual number of clinically recognized pregnancies in the United States, 1981-1991.

    Article - En anglais

    Fulltext.

    The authors estimated the number of clinically recognized pregnancies that occurred annually from 1981 to 1991 in the United States by type of outcome and by race.

    Estimates of the numbers of livebirths, induced abortions, ectopic pregnancies, and fetal deaths were obtained by using data from the Centers for Disease Control and Prevention in Atlanta, Georgia.

    The number of spontaneous abortions was estimated by using previously published, age-specific rates.

    More than 67 million pregnancies occurred during the study period.

    Overall, 62.5% of these pregnancies resulted in livebirths, 21.9% in legal induced abortions, 13.8% in spontaneous abortions, 1.3% in ectopic pregnancies, and 0.5% in fetal deaths.

    These data can be used to provide denominators for the calculation of a variety of pregnancy outcome-specific rates.

    Mots-clés Pascal : Avortement, Spontané, Homme, Race, Gestation, Evolution, Classification, Interruption, Ectopie, Mort, In utero, Surveillance sanitaire, Etats Unis, Amérique du Nord, Amérique, Epidémiologie, Evaluation, Gestation pathologie

    Mots-clés Pascal anglais : Abortion, Spontaneous, Human, Race, Pregnancy, Evolution, Classification, Interruption, Ectopia, Death, In utero, Sanitary surveillance, United States, North America, America, Epidemiology, Evaluation, Pregnancy disorders

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 99-0292042

    Code Inist : 002B20F01. Création : 16/11/1999.