Relationship between Fetal Station and Successful Vaginal Delivery in Nulliparous Women

Sally Y. Segel; Carlos A. Carreño; Steven J. Weiner; Steven L. Bloom; Catherine Y. Spong; Michael W. Varner; Dwight J. Rouse; Steve N. Caritis; William A. Grobman; Yoram Sorokin; Anthony Sciscione; Brian M. Mercer; John M. Thorp; Fergal D. Malone; Margaret Harper; Jay D. Iams; for the Eunice Kennedy Shriver National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network

doi:10.1055/s-0032-1314895

American Journal of Perinatology, Inhaltsverzeichnis

Am J Perinatol 2012; 29(09): 723-730
DOI: 10.1055/s-0032-1314895

Original Article

Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Relationship between Fetal Station and Successful Vaginal Delivery in Nulliparous Women

Autor*innen

Sally Y. Segel

¹Department of Obstetrics and Gynecology at the Oregon Health and Science University, Portland, Oregon
Carlos A. Carreño

²The University of Texas Health Science Center at Houston, Houston, Texas
Steven J. Weiner

¹⁵The George Washington University Biostatistics Center, Washington, District of Columbia
Steven L. Bloom

³University of Texas Southwestern Medical Center, Dallas, Texas
Catherine Y. Spong

¹⁶ Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda,, Maryland
Michael W. Varner

⁴University of Utah, Salt Lake City, Utah
Dwight J. Rouse

⁵University of Alabama at Birmingham, Birmingham, Alabama
Steve N. Caritis

⁶University of Pittsburgh, Pittsburgh, Pennsylvania
William A. Grobman

⁷Northwestern University, Chicago, Illinois
Yoram Sorokin

⁸Wayne State University, Detroit, Michigan
Anthony Sciscione

⁹Drexel University, Philadelphia, Pennsylvania
Brian M. Mercer

¹⁰Case Western Reserve University–Metro Health Medical Center, Cleveland, Ohio
John M. Thorp

¹¹University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
Fergal D. Malone

¹²Columbia University, New York, New York
Margaret Harper

¹³Wake Forest University Health Sciences, Winston-Salem, North Carolina
Jay D. Iams

¹⁴The Ohio State University, Columbus, Ohio

for the Eunice Kennedy Shriver National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network

Abstract

Objective To study the relationship between fetal station and successful vaginal delivery in nulliparous women.

Study Design This was a secondary analysis from a previously reported trial of pulse oximetry. Vaginal delivery rates were evaluated and compared with respect to the fetal station. Spontaneous labor and induction of labor groups were evaluated separately. Multivariable logistic regression analysis was performed to adjust for confounding factors.

Results Successful vaginal delivery was more frequent with an engaged vertex for spontaneous labor (86.2% versus 78.6%; p = 0.01) and induced labor (87.7% versus 66.1%; p < 0.01). After adjustment, engaged fetal vertex was not associated with vaginal delivery for spontaneous labor (odds ratio [OR] 1.5; 95% confidence interval [CI] 0.95 to 2.3; p = 0.08) or for women with induced labor (OR 2.2; 95% CI 0.96 to 5.1; p = 0.06).

Conclusion Among nulliparous women enrolled in the FOX randomized trial in spontaneous labor or for labor induction, an engaged fetal vertex does not affect their vaginal delivery rate.

Keywords

labor - fetal station - vaginal delivery

Volltext

Referenzen

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