ArticleJournal of the mechanical behavior of biomedical materials2018
A constitutive model description of the in vivo material properties of lower birth canal tissue during the first stage of labor.
Article in Journal of the mechanical behavior of biomedical materials, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 10 citations in OpenAlex.
- Two minutes is sufficient to characterize the viscoelastic properties of the human lower birth canal during the first stage of labor.Clinical biomechanics (Bristol, Avon) · 2025Article
- Pelvic floor injury during vaginal birth is life-altering and preventable: what can we do about it?American journal of obstetrics and gynecology · 2024Review
- Pelvic floor muscle injury during a difficult labor. Can tissue fatigue damage play a role?International urogynecology journal · 2022Article
- On the variation in maternal birth canal in vivo viscoelastic properties and their effect on the predicted length of active second stage and levator ani tears.Journal of biomechanics · 2018Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
Remarkable changes must occur in the pelvic floor muscles and tissues comprising the birth canal to allow vaginal delivery. Despite these preparatory adaptations, approximately 13% of women who deliver vaginally for the first time (nulliparas) sustain tears near the origin of the pubovisceral muscle (PVM) which can result in pelvic organ prolapse later in life. To investigate why these tears occur, it is necessary to quantify the viscoelastic behavior of the term pregnant human birth canal. The goal of this study was to quantify the in vivo material properties of the human birth canal, in situ, during the first stage of labor and compare them to published animal data. The results show that pregnant human, ovine and squirrel monkey birth canal tissue can be characterized by the same set of constitutive relations; the interspecies differences were primarily explained by the long time constant, τ
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.