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American Journal of Epidemiology Vol. 152, No. 3 : 287-289
Copyright © 2000 by The Johns Hopkins University School of Hygiene and Public Health

LETTERS TO THE EDITOR

RE: "ESTIMATES OF THE ANNUAL NUMBER OF CLINICALLY RECOGNIZED PREGNANCIES IN THE UNITED STATES, 1981–1991"

Marilyn K. Goldhaber and Bruce H. Fireman

Division of Research Kaiser Permanente Medical Care Program Oakland, CA 94611-5714


   INTRODUCTION
 
We were pleased to see the recent Journal article by Saraiya et al. (1Go), in which the authors attempted to estimate the number of clinically recognized pregnancies that occur annually in the United States. Because pregnancies ending in live birth are determined easily from state vital statistics, this task reduces to estimating the number that end in some form of fetal loss. Because many forms of fetal loss are not routinely reported, the authors had to rely on innovative uses of sample studies to derive their numbers.

To derive the number of spontaneous abortions, they used data from the well-known Wilcox et al. study (2Go) based on the menstrual cycles of a large . . . [Full Text of this Article]


   REFERENCES
 
Mona Saraiya and Cynthia J. Berg

Division of Cancer Prevention and Control National Center for Chronic Disease Prevention and Health Promotion Centers for Disease Control and Prevention Atlanta, GA 30341-3724
Pregnancy and Infant Health Branch Division of Reproductive Health Centers for Disease Control and Prevention Atlanta, GA 30341-3724


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 Am J EpidemiolHome page
M. K. Goldhaber, B. H. Fireman, M. Saraiya, and C. J. Berg
RE: "ESTIMATES OF THE ANNUAL NUMBER OF CLINICALLY RECOGNIZED PREGNANCIES IN THE UNITED STATES, 1981-1991"
Am. J. Epidemiol., August 1, 2000; 152(3): 287 - 289.
[Full Text] [PDF]