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Obstetrics & Gynecology 1989;73:695-699
© 1989 by The American College of Obstetricians and Gynecologists
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The Influence of Fetal Number on Antepartum Uterine Activity

ROGER B. NEWMAN, MD, PAMELA J. GILL, RN, MSN, SUZANNE CAMPION, RN, BSN and MICHAEL KATZ, MD

From the Division of Maternal and Fetal Medicine, Departments of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina; and Children's Hospital, The University of California, San Francisco, California

Abstract

Home uterine activity monitoring was performed by 54 women with singleton, 30 with twin, and 34 with triplet gestations. Data were analyzed to determine the relationship between antepartum uterine activity, preterm labor, and fetal number. Preterm labor in singleton and twin gestations was preceded by significant increases in pre-labor contraction frequency (P <.01). However, in triplets, preterm labor was not preceded by increased pre-labor contractions. Triplet and twin gestations with term labor were associated with higher baseline contraction frequencies than were high-risk singleton gestations with term labor (P <.05). Fetal number had no impact on pre-labor contraction intensity, although triplet gestations had a significantly greater proportion of uterine activity occupied by lowamplitude, high-frequency contractility.




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A. P. SOUKA, V. HEATH, S. FLINT, I. SEVASTOPOULOU, and K. H. NICOLAIDES
Cervical Length at 23 Weeks in Twins in Predicting Spontaneous Preterm Delivery
Obstet. Gynecol., September 1, 1999; 94(3): 450 - 454.
[Abstract] [Full Text] [PDF]


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