Elizabeth R. Cluett

Randomised controlled trial of labouring in water compared with standard of augmentation for management of dystocia in first stage of labour

Abstract Objectives To evaluate the impact of labouring in water during first stage of labour on rates of epidural analgesia and operative delivery in nulliparous women with dystocia. Design Randomised controlled trial. Setting University teaching hospital in southern England. Participants 99 nulliparous women with dystocia (cervical dilation rate < 1 cm/hour in active labour) at low risk of complications. Interventions Immersion in water in birth pool or standard augmentation for dystocia (amniotomy and intravenous oxytocin). Main outcome measures Primary: epidural analgesia and operative delivery rates. Secondary: augmentation rates with amniotomy and oxytocin, length of labour, maternal and neonatal morbidity including infections, maternal pain score, and maternal satisfaction with care. Results Women randomised to immersion in water had a lower rate of epidural analgesia than women allocated to augmentation (47% v 66%, relative risk 0.71 (95% confidence interval 0.49 to 1.01), number needed to treat for benefit (NNT) 5). They showed no difference in rates of operative delivery (49% v 50%, 0.98 (0.65 to 1.47), NNT 98), but significantly fewer received augmentation (71% v 96%, 0.74 (0.59 to 0.88), NNT 4) or any form of obstetric intervention (amniotomy, oxytocin, epidural, or operative delivery) (80% v 98%, 0.81 (0.67 to 0.92), NNT 5). More neonates of women in the water group were admitted to the neonatal unit (6 v 0, P = 0.013), but there was no difference in Apgar score, infection rates, or umbilical cord pH. Conclusions Labouring in water under midwifery care may be an option for slow progress in labour, reducing the need for obstetric intervention, and offering an alternative pain management strategy.

Characteristics, Interventions, and Outcomes of Women Who Used a Birthing Pool: A Prospective Observational Study

BACKGROUND Birthing pools are integrated into maternity care in the United Kingdom and are a popular care option for women in midwifery-led units and at home. The objective of this study was to describe and compare maternal characteristics, intrapartum events, interventions, and maternal and neonatal outcomes by planned place of birth for women who used a birthing pool. METHODS A total of 8,924 women at low risk of childbirth complications were recruited from care settings in England, Scotland, and Northern Ireland. Descriptive analysis was performed. RESULTS Overall, 7,915 (88.9%) women had a spontaneous birth (5,192, 58.3% water births), of whom 4,953 (55.5%) were nulliparas. Fewer nulliparas whose planned place of birth was the community (freestanding midwifery unit or home) had labor augmentation by artificial membrane rupture (149, 11.3% [95% CI: 9.6-13.1]), compared with an alongside midwifery unit (271, 22.7% [95% CI: 20.3-25.2]), or obstetric unit (639, 26.3% [95% CI: 24.5-28.1]). Results were similar for epidural analgesia and episiotomy. More community nulliparas had spontaneous birth (1,172, 88.9% [95% CI: 87.1-90.6]), compared with birth in an alongside midwifery unit (942, 79% [95% CI: 76.6-81.3]) and obstetric unit (1,923, 79.2% [95% CI: 77.5-80.8]); and fewer required hospital transfer (265, 20% [95% CI: 17-22.2]) compared with those in an alongside midwifery unit (370, 31% [95% CI: 28.3-33.7]). Results for multiparas and newborns were similar across care settings. Twenty babies had an umbilical cord snap, 18 (90%) of which occurred during water birth. CONCLUSIONS Birthing pool use was associated with a high frequency of spontaneous birth, particularly among nulliparas. Findings revealed differences in midwifery practice between obstetric units, alongside midwifery units, and the community, which may affect outcomes, particularly for nulliparas. No evidence was found for a difference across care settings in interventions or outcomes in multiparas or in outcomes for newborns. During water birth, it is important to prevent undue traction on the cord as the baby is guided to the surface.

What is the normal pattern of uterine involution? An investigation of postpartum uterine involution measured by the distance between the symphysis pubis and the uterine fundus using a paper tape measure

OBJECTIVE To describe normal postnatal uterine involution in a small sample of healthy primiparous women, and estimate the proportion who have a decline in the distance between the symphysis pubis and the uterine fundus (S-FD) slow enough to have the potentiality to trigger further clinical action, using currently accepted criteria for intervention. SETTING A maternity unit in the south of England that has approximately 6000 deliveries per annum and the related community areas. METHODS Daily measurement of the S-FD was carried out in 28 healthy women from within 18 hours of delivery until the uterine fundus was no longer palpable abdominally. Graphs showing the daily measurements and correlation coefficients were used to describe involution. The proportion of healthy women who would have been identified as healthy by the screening method was estimated (its specificity). FINDINGS Considerable variability was found in the pattern of uterine involution that was experienced by the women who had a normal puerperium. The measurement of the S-FD has a low specificity with only 6 of the 28 women (21.4%; 95% CI 8.3% to 40.9% having had no episodes of the S-FD declining slowly (less than 1 cm over three days). There was a weak, positive correlation between the S-FD measurement on day one and the day on which the uterus ceased to be palpable (r = 0.426, P = 0.03). No relationship was found between method of baby feeding and the day on which the uterus ceased to be palpable. IMPLICATIONS FOR PRACTICE The measurement of S-FD using a paper tape measure should not form part of routine postpartum assessment.

A REVIEW OF THE FATHER-CHILD RELATIONSHIP IN THE DEVELOPMENT AND MAINTENANCE OF ADOLESCENT ANOREXIA AND BULIMIA NERVOSA

There are disproportionately fewer studies examining the role of the father in the development of child and adolescent psychopathology. This is pertinent in the field of eating disorders, where there is a wealth of research related to family influences and the value of family-based interventions. This article reviews the key themes within the literature around the potential impact of the father-child relationship on the development and maintenance of Anorexia and Bulimia Nervosa in young people. The critical review searched relevant health and social care databases, as well as manually searching key journals in the eating disorder field. In these results, 13 studies met the inclusion/exclusion criteria and were critiqued, with 8 being taken forward for discussion. The 8 studies identified key themes within the relationship of the father and child (particularly daughters) around conflict and communication, parental protection and psychological control, emotional regulation and self-esteem, and self-perfectionism. All of these factors appear to influence the child’s level of self-determining autonomy, which in turn can impact maladaptive eating attitudes and psychopathology. Tentative recommendations are made around working with fathers to encourage free expression of ideas and foster a sense of autonomy through compromise and collaboration with their adolescent child. Further research around these themes in relation to other family members is also suggested.

Is measuring postnatal symphysis-fundal distance worthwhile?

OBJECTIVE to assess levels of intra-observer and inter-observer variability in the measurement of postnatal symphysis-fundal distance and establish whether the measurement is sufficiently precise for it to be of use in clinical practice. SETTING a consultant obstetric maternity unit in the south of England which caters for approximately 6000 deliveries per annum. METHODS in the intra-observer study 15 midwives took repeated readings of symphysis-fundal distance on 30 postnatal women. In the inter-observer study 13 midwives took readings of symphysis-fundal distances on 24 postnatal women. Repeatability coefficients (the variability to be expected in the change between two measurements) were calculated. FINDINGS the repeatability coefficient, that is the maximum difference that is likely to occur, 95% of the time, for the difference between two measurements obtained by the same midwife on the same woman is 2.94 cm (intra-observer study). Where measurements are obtained by different midwives on the same mother the repeatability coefficient is 5.01 cm (inter-observer study). In everyday clinical practice variability is likely to be greater than that found in this study. IMPLICATIONS FOR PRACTICE the daily measurement of the postnatal symphysis-fundal distance with a tape measure cannot be obtained with enough precision to be useful in making clinical judgements and therefore should be discontinued. Further research is required to assess the value of routine palpation of the uterine fundus to assess involution during the postnatal period.

Evaluating a Midwife-Led Model of Antenatal Care for Women with a Previous Cesarean Section: A Retrospective, Comparative Cohort Study

BACKGROUND Research is yet to identify effective and safe interventions to increase the vaginal birth after cesarean (VBAC) rate. This research aimed to compare intended and actual VBAC rates before and after implementation of midwife-led antenatal care for women with one previous cesarean birth and no other risk factors in a large, tertiary maternity hospital in England. METHODS This was a retrospective, comparative cohort study. Data were collected from the medical records of women with one previous lower segment cesarean delivery and no other obstetric, medical, or psychological complications who gave birth at the hospital before (2008) and after (2011) the implementation of midwife-led antenatal care. Chi-squared analysis was used to calculate the odds ratio, and logistic regression to account for confounders. RESULTS Intended and actual VBAC rates were higher in 2011 compared with 2008: 90 percent vs. 77 percent, adjusted odds ratio (aOR) 2.69 (1.48-4.87); and 61 percent vs. 47 percent, aOR 1.79 (1.17-2.75), respectively. Mean rates of unscheduled antenatal care sought via the delivery suite and inpatient admissions were lower in 2011 than 2008. Postnatal maternal and neonatal safety outcomes were similar between the two groups, except mean postnatal length of stay, which was shorter in 2011 compared with 2008 (2.67 vs. 3.15 days). CONCLUSIONS Implementation of midwife-led antenatal care for women with one previous cesarean offers a safe and effective alternative to traditional obstetrician-led antenatal care, and is associated with increased rates of intended and actual VBAC.