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Am J Perinatol 1993; 10(5): 388-391
DOI: 10.1055/s-2007-994769
ORIGINAL ARTICLE

© 1993 by Thieme Medical Publishers, Inc.

A Comparison of Sonographic Growth Curves of Triplet and Twin Fetuses

Asher Shushan, Nathan Mordel, Gershom Zajicek, Aby Lewin, Joseph G. Schenker, Eliahu Sadovsky
  • Department of Obstetrics and Gynecology, Hebrew University Hadassah Medical Center, and H.H. Humphrey Center for Experimental Medicine and Cancer Research, Hebrew University-Hadassah Medical School, Jerusalem, Israel
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Publication Date:
04 March 2008 (online)

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ABSTRACT

Sonographic growth curves of 47 normal triplet pregnancies were compared with those of 71 uncomplicated twin gestations. Starting from the 25th week, the biparietal diameter in triplets was found to lag progressively compared with that of twins, reaching a mean difference of 2 weeks at 36 weeks gestation. Similarly, a significant difference was found between the femur length and head to abdomen circumference ratio growth curves of triplets and twins. It is concluded that as pregnancy continues from the 25th to the 36th gestational week, there is a significant delay in the growth patterns of normal triplet pregnancies compared with twin gestations.