Re: Assisted Vaginal Birth: Green-top Guideline No. 26
Notice bibliographique
Résumé
Just weeks following the fifth anniversary of the landmark Montgomery v Lanarkshire Health Board Supreme Court judgment, the Royal College of Obstetricians and Gynaecologists (RCOG) has delivered the fourth edition of its Green-top guideline on forceps and vacuum assisted births1. The irony of this is not lost on those who expected real change following last year’s peer review consultation (19 physicians and 6 maternity care organisations responded, including the first two signatories of this letter). The guideline opens with a fundamental question: Can assisted vaginal birth be avoided? The answers RCOG provides are solely in the context of labour (evidence on continuous support, epidural analgesia, positions adopted, delayed pushing), but a legal interpretation of Montgomery advises birth is “a situation that allows for significant advance planning and accordingly plans must be made.”2 The guideline concurs: women “should be informed about assisted vaginal birth in the antenatal period, especially during their first pregnancy [and] in advance of labour”. Nevertheless, while “lower rates in midwifery-led care settings” is included, ‘lower rates with planned caesarean’ is not, and there is no direct equivalent Green-top for this birth mode. The Montgomery judgment on consent specifically states that doctors are “under a duty to take reasonable care to ensure that the patient is aware of any material risks involved in any recommended treatment, and of any reasonable alternative or variant treatments.” It also emphasises that in any pregnancy, the “principal choice is between vaginal delivery and caesarean section.” RCOG may argue that referencing the “alternative choice of a caesarean section late in the second stage of labour” sufficiently addresses these points. However, a Queen’s Counsel who was involved in the Montgomery case reminds doctors that the mother “was not advised that an alternative to vaginal birth (i.e. caesarean section) was an option available to her… and there was an increased risk… should vaginal birth be attempted.”2 He warns, “Where the patient asks a question, it must be answered honestly and fully”, which suggests that planned caesarean birth omission from this Green-top could have serious legal consequences, and there is every chance the Montgomery case could reoccur.Despite aiming “to provide evidence-based recommendations”, RCOG does not include pelvic organ prolapse as an adverse outcome. Instead, it says women who “achieve an assisted vaginal birth rather than have a caesarean birth… are far more likely to have an uncomplicated vaginal birth in subsequent pregnancies”, and that “much of the pelvic floor morbidity reported… may not be causally related to the procedure.” Furthermore, the stated aim of RCOG’s clinical Green-tops is to identify “good practice and desired outcomes”, which will be “used globally.”4 This is relevant because many countries define this as low caesarean birth rates. In the UK, the National Institute for Health and Care Excellence (NICE) does not advocate targets, and recommends support for prophylactic caesarean birth requests.3 Yet decades of promoting vaginal birth rather than informed choice has obstructed autonomy and contributed substantially to rising litigation costs.5The truth is, the NHS simply cannot afford to keep repeating the same communication and consent mistakes, and in our view, this NICE accredited Green-top guideline clearly demonstrates that lessons from Montgomery have still not been learned.Pauline M Hull, Founder, Caesarean BirthKim Thomas, CEO, Birth Trauma OrganisationDr. Elizabeth Skinner, Faculty of Medicine, University of SydneyAmy Dawes, Co-founder and CEO, Australasian Birth Trauma AssociationPenny Christensen, Executive Director, Birth Trauma Canada
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Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,008 | 0,031 |
| Méta-épidémiologie (sens strict) | 0,001 | 0,001 |
| Méta-épidémiologie (sens large) | 0,001 | 0,003 |
| Bibliométrie | 0,002 | 0,002 |
| Études des sciences et des technologies | 0,002 | 0,002 |
| Communication savante | 0,006 | 0,004 |
| Science ouverte | 0,006 | 0,003 |
| Intégrité de la recherche | 0,037 | 0,020 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,040 | 0,059 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».