Effects of fetal head shape variation on the second stage of labour

Yan, Xiani; Kruger, Jennifer; Nielsen, Poul M. F.; Nash, Martyn P.

doi:10.1016/j.jbiomech.2015.02.062

Cited by 20 publications

(27 citation statements)

References 21 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The largest force required for delivery, maximum principal stresses, and stretch ratios are some common metrics used for assessing the risk of childbirth‐induced injuries. Most studies have reported large principal stresses near the insertion of the pubococcygeus muscle to the anterior pubis . This is consistent with the typical position of muscle avulsion observed clinically …”

Section: Applications Of Childbirth Modelssupporting

confidence: 77%

“…Some researchers constructed fetal head models based on a glass replica of the fetal skull; others adopted the simpler method of using a sphere with the circumference equivalent to that of a newborn head . Segmentation of the bony plates in the CT scans can be performed automatically because of the superior contrast between the bones and soft tissues …”

Section: Models Of Vaginal Deliverymentioning

confidence: 99%

“…One of the advantages of biomechanical modeling is its ability to account for the variation in the morphology and physiology of anatomical structures between individuals. Advances in the development of population‐based models have accounted for the individual variations in geometry and function of the LA muscles, bony pelvis, and the fetal head …”

Section: Applications Of Childbirth Modelsmentioning

confidence: 99%

“…The variation in shape and size of the fetal head also plays an important role in childbirth mechanics. Correlations between the fetal head size and the force required by delivery, maximum principal stretch ratios, and stresses were determined from simulations of childbirth . The variation in the size of the fetal head is likely to contribute to the difference in the maximum stretch ratios predicted by the different childbirth models (Table ).…”

Section: Applications Of Childbirth Modelsmentioning

confidence: 99%

“…Further challenges lie in the difficulty of image acquisition for the soft tissues of the pelvic floor. The construction of individual specific models of the pelvic floor has been mainly based on MRI scans . However, the high cost and relatively long imaging time of MRI hampers the collection of images from large populations of individuals.…”

Section: Applications Of Childbirth Modelsmentioning

confidence: 99%

See 4 more Smart Citations

Modeling the second stage of labor

Yan

Kruger

et al. 2016

WIREs Mechanisms of Disease

Self Cite

View full text Add to dashboard Cite

Vaginal delivery is the primary cause of levator ani muscle injury, which is in turn the leading factor contributing to pelvic floor disorders including pelvic organ prolapse and urinary stress incontinence. Existing biomechanical models of childbirth have provided some understanding of pelvic floor function during delivery and have helped in the investigation of preventative strategies. The modeling frameworks for childbirth simulation are described with emphasis on (1) the recent advances in medical imaging quality and computational power; (2) improvements in the anatomical representation of the pelvic floor and fetal head; (3) more realistic boundary conditions for delivery; and (4) mechanical properties determined from experiments. Researchers have used these models to analyze childbirth mechanics and identify anatomical and mechanical features of the maternal pelvic floor, shape of the fetal head, and delivery techniques that potentially contribute to a difficult labor and higher risk of levator ani muscle injuries. The challenges to be addressed for these frameworks to be clinically useful are also discussed, including: (1) the improvements required to more accurately simulate the second stage of labor; (2) automatic segmentation of medical images and creation of customized computer models; (3) acquisition of individual specific pelvic floor mechanical properties; and (4) construction of statistical models for rapidly predicting the indices of childbirth mechanics. Within the next decade, it is likely that biomechanical models of childbirth will be sufficiently well informed and functional for personalized birth planning, and as educational tools for clinicians. WIREs Syst Biol Med 2016, 8:506-516. doi: 10.1002/wsbm.1351 For further resources related to this article, please visit the WIREs website.

show abstract

Section: Applications Of Childbirth Modelssupporting

confidence: 77%

Section: Models Of Vaginal Deliverymentioning

confidence: 99%

Section: Applications Of Childbirth Modelsmentioning

confidence: 99%

Section: Applications Of Childbirth Modelsmentioning

confidence: 99%

Section: Applications Of Childbirth Modelsmentioning

confidence: 99%

See 3 more Smart Citations

Modeling the second stage of labor

Yan

Kruger

et al. 2016

WIREs Mechanisms of Disease

Self Cite

View full text Add to dashboard Cite

show abstract

Mathematical modeling of the female reproductive system: from oocyte to delivery

Clark

Kruger

2016

WIREs Mechanisms of Disease

View full text Add to dashboard Cite

From ovulation to delivery, and through the menstrual cycle, the female reproductive system undergoes many dynamic changes to provide an optimal environment for the embryo to implant, and to develop successfully. It is difficult ethically and practically to observe the system over the timescales involved in growth and development (often hours to days). Even in carefully monitored conditions clinicians and biologists can only see snapshots of the development process. Mathematical models are emerging as a key means to supplement our knowledge of the reproductive process, and to tease apart complexity in the reproductive system. These models have been used successfully to test existing hypotheses regarding the mechanisms of female infertility and pathological fetal development, and also to provide new experimentally testable hypotheses regarding the process of development. This new knowledge has allowed for improvements in assisted reproductive technologies and is moving toward translation to clinical practice via multiscale assessments of the dynamics of ovulation, development in pregnancy, and the timing and mechanics of delivery. WIREs Syst Biol Med 2017, 9:e1353. doi: 10.1002/wsbm.1353 For further resources related to this article, please visit the WIREs website.

show abstract

Importance of Simulation to Avoid Childbirth Trauma

Vlasyuk

2023

Practical Guide to Simulation in Delivery Room Emergencies

View full text Add to dashboard Cite

Effects of fetal head shape variation on the second stage of labour

Cited by 20 publications

References 21 publications

Modeling the second stage of labor

Modeling the second stage of labor

Mathematical modeling of the female reproductive system: from oocyte to delivery

Importance of Simulation to Avoid Childbirth Trauma

Contact Info

Product

Resources

About