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© 2004 by the American Institute of Ultrasound in Medicine
J Ultrasound Med 23:501-504 • 0278-4297

Feasibility of Nuchal Translucency in Triplet Pregnancies

Sharon Maslovitz, MD, Yuval Yaron, MD, Gideon Fait, MD, Ilan Gull, MD, Igal Wolman, MD, Ariel Jaffa, MD and Joseph Hartoov, MD

Gynecologic Ultrasound Unit, Lis Maternity Hospital (S.M., G.F., I.G., I.W., A.J., J.H.), and Prenatal Diagnosis Unit (Y.Y.), Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.

Address correspondence and reprint requests to Sharon Maslovitz, MD, Gynecologic Ultrasound Unit, Lis Maternity Hospital, Tel Aviv Sourasky Medical Center, Rabinovich 38/30, Holon, Israel. E-mail: orshma{at}hotmail.co.il.

Objective. To assess the feasibility of nuchal translucency in triplets compared with singletons. Methods. Nuchal translucency thickness as part of routine first-trimester screening in the general population was compared between 3128 singleton pregnancies and 51 triplets (153 fetuses). Crown-rump length was also noted. The 5th, 50th, and 95th percentiles were determined and compared between the 2 groups, and regression curves of nuchal translucency measurements plotted against crown-rump length were drawn. Results. The mean nuchal translucency thickness was 1.23 mm for singletons and triplets. The 5th and 95th percentiles were also the same between the 2 studied groups. The regression curves of 5th, 50th, and 95th percentiles of nuchal translucency plotted against crown-rump length of triplets and singletons overlapped. Conclusions. Nuchal translucency values and distribution are the same in triplets and singletons, validating the utility of the cutoff values.

Key Words: feasibility • nuchal translucency • singleton • triplets

Abbreviations: CRL, crown-rump length • MFPR, multifetal pregnancy reduction • NT, nuchal translucency

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Copyright © 2004 by the American Institute of Ultrasound in Medicine.