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Twin Pregnancies: An 11-Year Review

Published online by Cambridge University Press:  01 August 2014

W. Grothe  and
H. Rüttgers
W. Grothe*
Affiliation:
Department of Obstetrics and Gynecology, Heidelberg
H. Rüttgers
Affiliation:
Department of Obstetrics and Gynecology, Heidelberg
*
Universität-Frauenklinik, Voss-str. 9, Heidelberg, FRG

Abstract

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From 1971 to 1981, 16752 women were delivered at the University Women's Clinic in Heidelberg; 228 of these were twin pregnancies (1.36%). The relationships between sex, gestational age, birthweight, mortality, and fetal outcome were investigated. For the reason of grading, so-called χ2 curves are used. These curves show the strength and the course of relationship between two parameters. Mortality of the twin (8.3%) depended on birthweight and on sex of the infant, but not on the mode of delivery. All twins were ‘small-for-date’ (25th weight percentile of single births). Starting at the 35th week of gestation, the increase in weight decelerated additionally. So, immaturity as well as twin-related factors led to the high mortality rate for twins. Fetal outcome was evaluated in respect to the birthweight and to the delivery interval.

Keywords

Twin pregnancyBirthweightGestational ageInfant mortality
Type
Review Article
Information
Acta geneticae medicae et gemellologiae: twin research , Volume 34 , Issue 1-2 , April 1985 , pp. 49 - 58
Copyright
Copyright © The International Society for Twin Studies 1985

References

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