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The Northwestern University Multihospital Twin Study. II. Mortality of First Versus Second Twins*

Published online by Cambridge University Press:  01 August 2014

R.F. Ellis ,
Gary S. Berger ,
Louis Keith  and
Richard Depp
R.F. Ellis
Affiliation:
Department of Obstetrics and Gynecology, Northwestern University Medical School, and The Prentice Women's Hospital & Maternity Center, Chicago
Gary S. Berger
Affiliation:
Department of Obstetrics and Gynecology, University of North Carolina Medical School, Chapel Hill
Louis Keith
Affiliation:
Department of Obstetrics and Gynecology, Northwestern University Medical School, and The Prentice Women's Hospital & Maternity Center, Chicago
Richard Depp
Affiliation:
Department of Obstetrics and Gynecology, Northwestern University Medical School, and The Prentice Women's Hospital & Maternity Center, Chicago

Abstract

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The results of a multihospital study involving a total of 588 twin pairs born in Chicago in 1970–1975 are reported, with special respect to differences in mortality between first and second twins by time as well as by cause of death. Mortality was higher in second than in first twins and most commonly occurred after delivery and was the result of immaturity and of respiratory distress syndrome.

Keywords

Twin pregnancyPerinatal mortalityFirst vs second twinBirth weight
Type
Session IV: Outcome of Twin Pregnancy
Information
Acta geneticae medicae et gemellologiae: twin research , Volume 28 , Issue 4 , October 1979 , pp. 347 - 352
Copyright
Copyright © The International Society for Twin Studies 1979

Footnotes

*

Supported in part by the Charles A. Fields Foundation; the Center for the Study of Multiple Gestation; the Center for the Advancement of Reproductive Health; Northwestern University Computer Center; and Medical Research Consultants, Inc.

References

REFERENCES

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2. Ellis, R, Keith, L, Hatcher, R, Filstead, W (1977): Pregnancy wastage in twin gestation. In Robinson, R (ed): “Health Care Research in Illinois,” Vol II. Proceedings of the Second Annual Illinois Health Care Research Symposium, 14–16 11 1977, Springfield, Illinois.Google Scholar
3. Farr, V (1975): Prognosis for the babies, early and late. In MacGillivray, I, Nylander, PPS, Corney, G (eds): “Human Multiple Reproduction.” London: Saunders, pp 188–211.Google Scholar
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5. Keith, L, Ellis, R, Berger, S, Depp, R (1979): Northwestern University Multihospital Twin Study. I. A description of 588 twin pregnancies and associated pregnancy loss, 1971–1975. Am J Obstet Gynecol (in press).Google Scholar
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