ArticleJournal of clinical medicine2023
Predictive Value of MRI Pelvimetry in Vaginal Delivery and Its Practicability in Prolonged Labour-A Prospective Cohort Study.
Article in Journal of clinical medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06485323 (MRI Pseudo-CT Sequences for Obstetrical Pelvimetry), which is not on this map. Cited by 8 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
MRI Pseudo-CT Sequences for Obstetrical Pelvimetry
Who cites it
8 citing papers in PubMed, 16 citations in OpenAlex.
- Evaluation of the natural birth prediction system for assessing cephalopelvic disproportion: a multicentre prospective study.Annals of medicine · 2026Article
- Evidence for the benefit of prenatal pelvimetry in breech presentation at term: A low intertuberous distance is associated with assisted head delivery and short-term neonatal morbidity.International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics · 2026Article
- Impact of supine vs. hip- and knee-flexed position on anteroposterior diameter and inclination of the female pelvic outlet: an MRI-based 3D reconstruction study.Frontiers in medicine · 2026Article
- Nomogram Predicting Intrapartum Cesarean Delivery in Singleton Pregnancies at Term: A Prospective Observational Study Utilizing an Ultrasound-Based System.International journal of women's health · 2026Article
- Review
- Diagnostic Value of Clinical Pelvimetry and Sonopelvimetry in Determining Mode of Delivery in Nulliparous Women.Advanced biomedical research · 2025Article
- Article
- Value of the newly developed pelvic dimension index/prostate volume ratio in predicting positive surgical margin in prostate cancer.International urology and nephrology · 2023Article
Corrections and comments
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
Abstract
backgroundPelvic dimensions are crucial variables in the labour process. We used magnetic resonance imaging (MRI) pelvimetry to predict the probability of vaginal delivery and distinguish the cephalopelvic disproportion risk in women with prolonged active labour.
methodsThis prospective cohort study enrolled term nulliparous women willing to undergo MRI pelvimetry and a trial of labour. A nomogram, with vaginal birth as the outcome, was developed and evaluated by calibration curve and decision curve analyses. The pairwise association between maternal and fetal parameters and a prolonged first stage of labour was quantified.
resultsHead circumference (HC), abdominal circumference (AC), intertuberous distance (ITD), interspinous diameter (ISD), and body mass index (BMI) were introduced to develop a nomogram with good diagnostic performance (area under the curve = 0.799, sensitivity = 83%, and specificity = 73%). The cephalopelvic index of diameter (CID) in 54 women with a prolonged first stage of labour was much smaller in those who delivered via cesarean section compared with those who delivered vaginally (18.09 ± 1.14 vs. 21.29 ± 1.06;
conclusionsAn MRI pelvimetry-based nomogram may predict the probability of vaginal delivery. Practitioners should reassess the pelvimetry parameters to decide whether the trial of labour should be continued if it is prolonged.
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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.