Abstract
Introduction and hypothesis
This study describes pelvic organ support after childbirth.
Methods
This ancillary analysis of the Childbirth and Pelvic Symptoms Imaging Study compares pelvic organ prolapse quantification 6–12 months after childbirth among three cohorts of primiparous women: vaginal delivery with sphincter tear (n = 106), vaginal delivery without sphincter tear (n = 108), and cesarean without labor (n = 39).
Results
Of participants, 31.2% had stage II support. Prolapse to or beyond the hymen was present in 14% after vaginal delivery with sphincter tear (95% confidence interval 8%, 22%), 15% (9%, 24%) after vaginal delivery without sphincter tear, and 5% (1%, 17%) after cesarean without labor (p = 0.23). A study of 132 women per group would be required for 80% power to test differences between 5% and 15%.
Conclusions
While these data provide insufficient power to dismiss a difference in pelvic organ support between modes of delivery, they add to our understanding of support following childbirth.
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Acknowledgments
Supported by grants from the National Institute of Child Health and Human Development (U01 HD41249, U10 HD41268, U10 HD41248, U10 HD41250, U10 HD41261, U10 HD41263, U10 HD41269, and U10 HD41267).
Conflicts of interest
Dr. Kenton serves as a consultant for Pfizer; the remaining authors have no conflicts of interest.
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Appendix
Appendix
Pelvic Floor Disorders Network Members
University of Alabama at Birmingham
Holly E. Richter, Ph.D., M.D., Principal investigator
Kathryn Burgio, Ph.D., Co-principal investigator
Patricia Goode, M.D., Co-investigator
R. Edward Varner, M.D., Co-investigator
Gregg Shore, M.D., Co-investigator
Franklin Tessler, M.D., Co-investigator
Mark Lockhart, M.D., MPH, Co-investigator
Velria Willis, R.N., B.S.N., Research coordinator
Baylor College of Medicine
Paul M. Fine, M.D., Principal investigator
Rodney A. Appell, M.D., Co-principal investigator
Peter K. Thompson, M.D., Co-investigator
Peter M. Lotze, M.D., Co-investigator
Naomi Frierson, Research coordinator
University of Iowa
Ingrid Nygaard, M.D., Principal investigator
Debra Brandt, R.N., Denise Haury, R.N. Research coordinators
Karl Kreder, M.D., Co-investigator
Catherine S. Bradley, M.D., Co-investigator
Satish Rao, M.D., Co-investigator
Johns Hopkins Medical Institutes
Geoffrey Cundiff, M.D., Principal investigator
Victoria Handa, M.D., Co-investigator
Mary Elizabeth Sauter, N.P., Research coordinator
Jamie Wright, M.D., Co-investigator
Loyola University, Chicago
Linda Brubaker, M.D., Principal investigator
Mary Pat FitzGerald, M.D., Co-principal investigator
Kimberly Kenton, M.D., Co-investigator
Dorothea Koch, R.N., Research coordinator
Charity Ball, R.N., Research coordinator
University of Michigan
Morton B. Brown, Ph.D., Principal investigator
John T. Wei, M.D., M.S., Co-principal investigator
Beverly Marchant, RN, BS, Project manager
John O.L. DeLancey, M.D., Co-investigator
Nancy K. Janz, Ph.D., Co-investigator
Dean G. Smith, Ph.D., Co-investigator
Patricia A. Wren, Ph.D., Co-investigator
Wen Ye, PhD, Statistician
James Imus, MS, Statistician
Yang Wang Casher, MS, Database programmer
University of North Carolina at Chapel Hill
Anthony G. Visco, M.D., Principal investigator
AnnaMarie Connolly, M.D., Co-investigator
John Lavelle, M.D., Co-investigator
Mary J. Loomis, R.N., Research coordinator
Anita K. Murphy, N.P., Research coordinator
Ellen C. Wells, M.D., Co-investigator
William Whitehead, Ph.D., Co-investigator
Julia Fielding, M.D., Co-investigator
University of Pittsburgh/Magee-Womens Hospitals
Halina Zyczynski, M.D., Principal investigator
Diane Borello-France, Ph.D., Co-investigator
Christiane Hakim, M.D., Co-investigator
Arnold Wald, M.D., Co-investigator
Judy A. Gruss, B.S., M.S., Research coordinator
Wendy Leng, M.D., Co-investigator
Pamela A. Moalli, M.D., Ph.D., Co-investigator
Steering Committee Chairman
Robert Park, M.D.
NICHD Project Scientist
Anne M. Weber, M.D., M.S.
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Handa, V.L., Nygaard, I., Kenton, K. et al. Pelvic organ support among primiparous women in the first year after childbirth. Int Urogynecol J 20, 1407–1411 (2009). https://doi.org/10.1007/s00192-009-0937-3
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DOI: https://doi.org/10.1007/s00192-009-0937-3