FIGO good clinical practice paper: management of the second stage of labor

Evaluation of Labor Mirror Use During the Active Pushing Phase of the Second Stage of Labor

OBJECTIVE

To evaluate whether the use of a labor mirror during the active pushing phase of the second stage of labor is associated with a shorter duration of pushing. Additionally, we examined maternal and neonatal outcomes secondary to mirror use versus non-mirror use.

DESIGN

Retrospective observational cohort study.

SETTING/LOCAL PROBLEM

Community hospital in the midwestern United States with a Level 3 maternity center and approximately 2,000 births annually.

PARTICIPANTS

Four hundred fifty-three women ≥18 years old who had a singleton pregnancy at term (37-41 weeks' gestation) with a spontaneous vaginal birth.

INTERVENTION/MEASUREMENTS

The use of a ceiling-mounted labor mirror offered before or at the beginning of the active pushing phase of the second stage of labor. Use was determined by patient choice.

RESULTS

One hundred seventy-seven (39.1%) women elected use of the labor mirror. Mirror users and nonusers were similar in terms of clinical and demographic characteristics except for epidural use (93.2% vs. 86.6%, respectively; p = .0298). Among nulliparous women who used the mirror, second stage labor duration was shortened by an average of 19.4 minutes (p = .0198). This effect was not seen in multiparous women (p = .2208). Mirror users and nonusers did not differ on rates of postpartum hemorrhage (p = .5498) or chorioamnionitis (p = .6528). Among nulliparous and multiparous women, Apgar scores and NICU admission rates did not differ between mirror users and nonusers.

CONCLUSION

The labor mirror represents a simple, noninvasive tool for labor and delivery units. Use of the labor mirror during the active pushing phase of the second stage of labor may be associated with decreased pushing duration for nulliparous women.

Maternal and neonatal outcomes after a more interventional versus a more expectant management of the second stage of labor: A retrospective multicenter study

BACKGROUND

The optimal duration of second stage of labor has been largely discussed in literature, but there are no uniformly accepted contemporary criteria for defining normal or abnormal length. Available evidence suggests that longer duration of second stage of labor is associated with a lower rate of spontaneous vaginal delivery and increased maternal morbidity. On the neonatal side, it seems that longer second stage doesn't affect new-born morbidity, in a context of very rare neonatal complications.

OBJECTIVES

To investigate the association between the second stage of labor management and maternal and neonatal outcomes.

STUDY DESIGN

This is a retrospective multicenter study involving all consecutive singleton term pregnancies who reached the second stage of labor between January and December 2022 at two third level maternity Hospitals. We compared an interventional management (considering operative vaginal delivery after 30 min of pushing) adopted at Robert Debre Hospital in France, and an expectant management (up to 1-2 h of pushing based on parity) adopted at AOUI Verona in Italy. Propensity score matched 1:1 analysis was implemented. The association between the second stage of labor management and maternal and neonatal outcomes was tested by conditional logistic regression, overall and stratified by parity.

RESULTS

The propensity score matching (1:1) identified 1,168 matched couples of women. The interventional management was associated with a higher use of operative vaginal delivery (OR 2.3, 95 %CI 1.8-2.9) and episiotomy (OR 1.4, 95 % CI1.1-1.8), and a lower risk of severe postpartum hemorrhage (OR 0.1, 95 %CI 0.05-0.3) and cesarean section among nulliparous (OR 0.4, 95 % CI 0.2-0.9). No association with perineal lacerations, neonatal outcomes, and major maternal morbidity was observed.

CONCLUSIONS

The interventional management was associated with lower risk of postpartum hemorrhage in all patients and cesarean section among nulliparous women, but higher operative vaginal delivery and episiotomy use, without clinical advantages for the newborn. To support one approach over the other, additional factors should be considered, such as women's preferences and expectations, obstetricians' skills, and medicolegal context.

Quality of care at childbirth during the COVID-19 pandemic in Belgium: a cross-sectional study based on WHO standards

OBJECTIVES

To examine quality of maternal and newborn care (QMNC) around childbirth in facilities in Belgium during the COVID-19 pandemic and trends over time.

DESIGN

A cross-sectional observational study.

SETTING

Data of the Improving MAternal Newborn carE in the EURO region study in Belgium.

PARTICIPANTS

Women giving birth in a Belgian facility from 1 March 2020 to 1 May 2023 responded a validated online questionnaire based on 40 WHO standards-based quality measures organised in four domains: provision of care, experience of care, availability of resources and organisational changes related to COVID-19.

PRIMARY AND SECONDARY OUTCOME MEASURES

Quantile regression analysis was performed to assess predictors of QMNC; trends over time were tested with the Mann-Kendall test.

RESULTS

897 women were included in the analysis, 67% (n=601) with spontaneous vaginal birth, 13.3% (n=119) with instrumental vaginal birth (IVB) and 19.7% (n=177) with caesarean section. We found overall high QMNC scores (median index scores>75) but also specific gaps in all domains of QMNC. On provision of care, 21.0% (n=166) of women who experienced labour reported inadequate pain relief, 64.7% (n=74) of women with an instrumental birth reported fundal pressure and 72.3% (n=86) reported that forceps or vacuum cup was used without their consent. On experience of care, 31.1% (n=279) reported unclear communication, 32.9% (n=295) reported that they were not involved in choices,11.5% (n=104) stated not being treated with dignity and 8.1% (n=73) experienced abuse. Related to resources, almost half of the women reported an inadequate number of healthcare professionals (46.2%, n=414). Multivariable analyses showed significantly lower QMNC scores for women with an IVB (-20.4 in the 50th percentile with p<0.001 and 95% CI (-25.2 to -15.5)). Over time, there was a significant increase in QMNC Score for 'experience of care' and 'key organisational changes due to COVID-19' (trend test p< 0.05).

CONCLUSIONS AND RELEVANCE

Our study showed several gaps in QMNC in Belgium, underlying causes of these gaps should be explored to design appropriate interventions and policies.

TRIAL REGISTRATION NUMBER

NCT04847336.

Use of the WHO partograph and Zhang's guideline for labor and delivery in China: implications for clinical practice

BACKGROUND

There is an unmet need for a large comprehensive population-based dataset documenting national birthing trends in China and a partograph specifically tailored to Chinese women. This study assessed the impact of using the World Health Organization (WHO) partograph or Zhang's guideline to manage labor and delivery in China and inform the development of a partograph that specifically aligns with the progression of labor in Chinese women.

METHODS

This retrospective analysis included low-risk nulliparous women with a singleton, full-term fetus in cephalic presentation entering spontaneous labor at a specialized obstetric hospital in China between January 2010 and June 2022. Pregnant women were managed according to the WHO partograph (January 2010-August 2014, n = 31,286) or Zhang's guideline (September 2014-June 2022, n = 49,821).

RESULTS

Rates of assisted reproduction (4.57% vs. 1.05%; p < 0.0001) and hypertension (7.44% vs. 6.71%; p < 0.0001) were significantly higher for pregnant women managed according to Zhang's guideline compared to the WHO partograph. Rates of labor intervention (35.31% vs. 13.95%; p < 0.0001), including induction of labor by oxytocin, artificial rupture of membranes, lateral episiotomy and conversion to cesarean section (all, p < 0.0001), were significantly higher for pregnant women managed according to the WHO partograph. Rates of forceps assisted vaginal deliveries (12.67% vs. 6.42%; p < 0.0001) and postpartum hemorrhage (10.9% vs. 6.2%; p < 0.0001) were significantly higher, and birth asphyxia (0.15% vs. 0.09%; p = 0.02) was significantly lower, for pregnant women managed according to Zhang's guideline.

CONCLUSIONS

This study provides valuable insights into the utilization of the WHO partograph and Zhang's guideline in managing labor and delivery among Chinese women. Findings indicate that women managed according to Zhang's guideline had higher rates of assisted reproduction and hypertension, suggesting a potentially different demographic profile or underlying health conditions compared to women managed according to the WHO partograph. Notably, the use of the WHO partograph was linked to a significant increase in labor interventions, while Zhang's guideline resulted in higher rates of forceps-assisted vaginal deliveries and postpartum hemorrhage, yet interestingly, a lower incidence of birth asphyxia. These contrasting outcomes underscore the importance of aligning labor management tools with the specific needs and progression of labor in Chinese women. The results advocate for a tailored partograph that could better reflect the unique characteristics of Chinese women and optimize decision making and maternal and neonatal outcomes.

Timing of cesarean section for prolonged labor in urban Tanzania: A criterion-based audit

BACKGROUND

Similar to many resource-constrained urban settings, cesarean deliveries in Dar es Salaam, Tanzania, have increased rapidly, from 17% in 2015 to 26% in 2022. Alarmingly, at the population level, the increase was not followed by improvements in perinatal outcomes, suggesting the overuse of cesarean delivery. Prolonged labor is the leading cause of women's first cesarean delivery. Therefore, understanding the management of prolonged labor preceding cesarean delivery is crucial for preventing nonmedically indicated cesarean deliveries across Tanzania and globally.

OBJECTIVE

This study aimed to estimate the proportion of cesarean deliveries with a written indication of prolonged labor that was performed in labors with uncomplicated progression.

STUDY DESIGN

This study was conducted at 5 urban maternity units in Dar es Salaam, Tanzania, from October 1, 2021, to August 31, 2022. Data were extracted from case files of women who gave birth via cesarean delivery with a written indication of prolonged labor. The timing of cesarean delivery decision was assessed against predefined definitions of prolonged labor at each stage/phase of labor. The proportion of cesarean deliveries performed in cases of uncomplicated progression was calculated. The exclusion criteria included referral to study sites because of prolonged labor or cervical dilatation of >6 cm upon admission, noncephalic presentation, multiple pregnancy, intrauterine fetal death, failed induction of labor, previous cesarean delivery, or other written indications for cesarean delivery.

RESULTS

The overall cesarean delivery rate was 32% (2949/9364). Of first-time cesarean delivery cases, 746 of 1517 patients (47.9%) had a written indication of prolonged labor. Finally, 456 of 746 patients (61.1%) met the inclusion criteria, of which 307 of 456 patients (67.3%) were admitted in the latent phase of labor. In 243 of 456 cesarean deliveries (53.3%) with an indication of prolonged labor, labor was not prolonged. This group included (1) women not being given a trial of labor (78/243 [32.1%]), (2) women in the first stage of active labor not crossing the partograph action line (145/243 [59.7%]), and (3) women in the second stage of labor lasting <1 hour (20/243 [8.2%]). Of note, 78 of 346 women (21.5%) in the first stage of active labor had a labor progression faster than 0.5 cm per hour preceding the decision for cesarean delivery.

CONCLUSION

Almost half of cesarean deliveries in unscarred uteri were because of prolonged labor. Despite a written indication of prolonged labor, approximately half of the cases did not have prolonged labor. Although care in low-resource settings has traditionally been categorized as "too little, too late," this study finds care as "too much, too soon" in one of the world's fastest-growing urban areas. This finding highlights the inadequacy of one-size-fits-all approaches in curbing the increases in cesarean delivery occurring in (pockets of) low-resource settings. Our study calls for ways to respectfully allow more time for physiological labor progression in busy high-volume maternity units where many births occur.

Episiotomy: Are Indian Obstetricians Getting the Angle Right?

Background

A mediolateral episiotomy is recommended when indicated at a 60° angle at crowning, to avoid obstetric anal sphincter injuries (OASIs) by episiotomies angled too close or distant to the anus. This study surveyed obstetricians in India regarding the recommended episiotomy angle and their ability to correctly draw the angle.

Methods

Workshops were conducted in India to share knowledge in the prevention and repair of OASIs. A questionnaire was distributed prior to the workshop. Participants were asked to describe the recommended episiotomy angle and to draw this on a paper replica of the perineum. The intra-class correlation coefficient (ICC) was calculated to assess the inter-rater reliability between the angle stated and drawn. A 2° difference was deemed acceptable. Standard errors of measurement (SEM) were calculated to measure the range of error of each measurement.

Results

One hundred and forty doctors participated. 47.9% described the angle of an episiotomy to be 60°. Only 2.2% drew an angle of 60°, but 8.7% (n = 12) drew between 58 and 62°. Only 5.8% (n = 6) of doctors correctly drew the episiotomy angle they described. There was poor agreement ICC = 0.18 (- 0.01 to 0.36) with a SEM of ± 12.2°.

Conclusions

Knowledge surrounding the recommended episiotomy angle is lacking. Doctors are failing to estimate their desired episiotomy angle. This highlights the need for national guidelines, the creation and validation of structured training programmes to improve accuracy, or using fixed-angle devices such as the EPISCISSORS-60 or other proven measurement aids to minimise preventable harm due to human error.

Engaging women to set the research agenda for assisted vaginal birth

INTRODUCTION

Public and patient involvement can provide crucial insights to optimise research by enhancing relevance and appropriateness of studies. The World Health Organization (WHO) engaged in an inclusive process to ensure that both technical experts and women had a voice in defining the research gaps and needs to increase or reintroduce the use of assisted vaginal birth (AVB) in settings where this intervention is needed but unavailable or underused.

METHODS

We describe the methods and outcomes of online workshops led by WHO to obtain women representatives' perspectives about AVB research gaps and needs.

RESULTS

After technical experts created a list of research questions based on various evidence syntheses, WHO organised four online workshops with 31 women's representatives from 27 mostly low- and middle-income (LMIC) countries. Women rated the importance and priority of the research questions proposed by the technical experts, improving and broadening some of them, added new questions, and voiced their main concerns and views about AVB. Women helped to put the research questions into context in their communities, highlighted neglected factors/dimensions that influence practices and affect women's experience during labour and childbirth, underscored less salient consequences of AVB, and highlighted the main concerns of women about research on AVB. The consolidated vision of technical experts and women's representatives resulted in a technical brief published by WHO. The technical brief is expected to stimulate global research and action closely aligned with women's priorities.

CONCLUSIONS

We describe a successful experience of engaging women, mostly from LMICs, in the identification of research gaps and needs to reintroduce AVB use. This process contributed to better aligning research questions with women's views, concerns, and priorities. Given the scarcity of reports about engaging women from LMICs to optimise research, this successful experience can serve as an inspiration for future work.

PATIENT OR PUBLIC CONTRIBUTION

Women representatives were involved at every stage of the workshops described in full in this manuscript.

Women's experiences of being assisted by two midwives during the active second stage of labour: Secondary outcomes from the Oneplus trial

BACKGROUND

'Collegial Midwifery Assistance' (CMA) is a clinical practice aiming to reduce severe perineal trauma (SPT) during childbirth. This practice involves two midwives being present during the active second stage of labour rather than one, which is the case in standard care. The effectiveness of CMA was evaluated in the Oneplus trial and a 30% reduction in SPT was shown.

AIM

The aim was to investigate the experience of women who received the CMA intervention in the trial and to explore factors influencing their experiences.

METHODS

A cohort study using data from the Oneplus trial and a one-month postpartum follow-up questionnaire. Descriptive statistics, univariable and multivariable logistic regression analyses were performed.

RESULTS

A total of 1050 women who received the CMA intervention responded to the questionnaire. Of these, 35.8% reported that they strongly agreed with feeling safe during the second stage of labour and 42.6% were inclined to have an additional midwife present at a subsequent birth. The intervention was favourably received by women who experienced fear of birth, who were non-native Swedish speakers, and had lower educational attainment. Furthermore, women were more positive towards CMA the longer the intervention lasted.

CONCLUSIONS

The results of this study suggest that the CMA intervention is accepted well by women and can be safely implemented into standard care. The duration of the CMA intervention was an important factor that influenced women's experiences and should be used to guide future practice.

Ultrasonographic Evaluation of the Second Stage of Labor according to the Mode of Delivery: A Prospective Study in Greece

BACKGROUND AND OBJECTIVES

Accurate diagnosis of labor progress is crucial for making well-informed decisions regarding timely and appropriate interventions to optimize outcomes for both the mother and the fetus. The aim of this study was to assess the progress of the second stage of labor using intrapartum ultrasound.

MATERIAL AND METHODS

This was a prospective study (December 2022-December 2023) conducted at the Third Department of Obstetrics and Gynecology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Greece. Maternal-fetal and labor characteristics were recorded, and two ultrasound parameters were measured: the angle of progression (AoP) and the head-perineum distance (HPD). The correlation between the two ultrasonographic values and the maternal-fetal characteristics was investigated. Multinomial regression analysis was also conducted to investigate any potential predictors of the mode of delivery.

RESULTS

A total of 82 women at the second stage of labor were clinically and sonographically assessed. The mean duration of the second stage of labor differed between vaginal and cesarean deliveries (65.3 vs. 160 min; p-value < 0.001) and between cesarean and operative vaginal deliveries (160 vs. 88.6 min; p-value = 0.015). The occiput anterior position was associated with an increased likelihood of vaginal delivery (OR: 24.167; 95% CI: 3.8-152.5; p-value < 0.001). No significant differences were identified in the AoP among the three different modes of delivery (vaginal: 145.7° vs. operative vaginal: 139.9° vs. cesarean: 132.1°; p-value = 0.289). The mean HPD differed significantly between vaginal and cesarean deliveries (28.6 vs. 41.4 mm; p-value < 0.001) and between cesarean and operative vaginal deliveries (41.4 vs. 26.9 mm; p-value = 0.002); it was correlated significantly with maternal BMI (r = 0.268; p-value = 0.024) and the duration of the second stage of labor (r = 0.256; p-value = 0.031). Low parity (OR: 12.024; 95% CI: 6.320-22.876; p-value < 0.001) and high HPD (OR: 1.23; 95% CI: 1.05-1.43; p-value = 0.007) were found to be significant predictors of cesarean delivery.

CONCLUSIONS

The use of intrapartum ultrasound as an adjunctive technique to the standard clinical evaluation may enhance the diagnostic approach to an abnormal labor progress and predict the need for operative vaginal or cesarean delivery.

Primary midwives' experiences of collegial midwifery assistance during the active second stage of labor: Data from the Oneplus trial

BACKGROUND

Collegial midwifery assistance during the active second stage of labor that involves a second midwife being present has been shown to reduce severe perineal trauma (SPT) by 30%. The aim of this study was to investigate primary midwives' experiences of collegial midwifery assistance with the purpose of preventing SPT during the active second stage of labor.

METHODS

This study uses an observational design with data from a multicenter randomized controlled trial (Oneplus). Data consist of clinical registration forms completed by the midwives after birth. Descriptive statistics as well as univariable and multivariable logistic regression were used to analyze the data.

RESULTS

The majority of the primary midwives felt confident (61%) and were positive (56%) toward the practice. Midwives with less than 2 years' work experience were more likely to completely agree they felt confident (aOR 9.18, 95% CI: 6.28-13.41) and experience the intervention as positive (aOR 4.04, 95% CI: 2.83-5.78) than those with over 20 years' work experience. Factors such as duration of time spent in the birthing room by the second midwife, opportunity for planning and if the second midwife provided support were further associated with the primary midwife's experience of the practice as being positive.

CONCLUSIONS

Our findings indicate that having a second midwife present during the active second stage of labor was an accepted practice, with the majority of primary midwives feeling confident and positive toward the intervention. This was especially pronounced among midwives with less than 2 years' work experience.

FIGO best practice guidance in surgical consent

Obtaining medical consent preoperatively is one of the key steps in preparing for surgery, and is an important step in informed decision making with the patient. According to good medical practice guidelines, doctors are required to have the knowledge and skills to treat patients as well as inform them, respect their wishes, and establish trust between themselves and their patients. Valid consent includes elements of competence, disclosure, understanding, and voluntariness. Documentation of these elements is also very important. The International Federation of Gynecology and Obstetrics (FIGO) Education Communication and Advocacy Consortium (ECAC) has realized that the quality of consent varies considerably across the world and has developed simple guidelines regarding consent and procedure-specific checklists for the most common obstetric and gynecological procedures.

Vacuum-assisted birth in maternal lateral posture versus lithotomy. A simulation study

OBJECTIVE

Maternal lateral postures provide advantages during childbirth. This study aims to investigate the feasibility of assisting vacuum births in maternal lateral postures in a simulation model.

STUDY DESIGN

In a simulation model, four obstetricians and four medical students were randomly allocated to perform vacuum-assisted births first in maternal lateral posture or lithotomy. A modification of Aldo Vacca's 5-step technique was developed to assist vacuum-assisted births in lateral posture. The lateral distance, vertical distance, and distance from the cup center to the flexion point were measured for every placement of the cup.

RESULTS AND CONCLUSIONS

A total of 128 vacuum-assisted births were performed. The mean distance to the flexion point was 1.15 ± 0.71 cm for the lithotomy posture and 1.31 ± 0.82 cm for the lateral posture (P = 0.127). There were no statistically significant differences in vacuum extractor cup placement accuracy based on maternal posture. Performing vacuum-assisted births in maternal lateral posture is feasible in a simulation model. The technique is easy to learn, and the differences in cup placement between the lateral and lithotomy postures are small.

Prep-for-Labor: Overview of FIGO's labor and delivery triage bundles of care to optimize maternal and newborn outcomes

Childbirth is an intense event in which decisions may need to be made in seconds to guarantee the health of both mother and newborn. Despite health systems and care approaches varying widely according to real-life scenarios, availability of facilities, beliefs, resources, staff, and geography, among others, optimal outcomes should be ensured worldwide. Triaging low-risk pregnancies from high-risk pregnancies is the first step to ensure proper allocation of resources. From this need, we developed FIGO's Prep-For-Labor triage methods, a series of 2-minute labor and delivery bundles of care, with special regard given to low- and middle-income countries and rural settings. Around 80% of women, once properly triaged, can pursue vaginal delivery with minimal intervention, while those at risk can either be managed on site or transferred promptly to an advanced care site. FIGO's bundles of care and good practice recommendations for labor and delivery and immediate newborn triage cover four clinical scenarios: (1) preterm labor; (2) induced or spontaneous labor at term; (3) cesarean delivery; and (4) newborn care. From rapid triage of the mother (low vs high risk) to the list of required equipment, description of skilled staff, and coordination of resources, the recommendations for care are introduced across these four areas in this overview article. Implementing the proposed management steps described in each summary can improve maternal and neonatal outcomes.

Intrapartum ultrasound in maternal lateral versus semi-recumbent posture. A repeated measures study

OBJECTIVE

This study aimed to assess whether intrapartum ultrasound (ITU) measurements in maternal lateral posture are superimposable to ITU measurements in semi-recumbent position.

STUDY DESIGN

A single-center, repeated measures design was used. Women in the second stage of labor were randomized to ITU first in semi-recumbent followed by ITU in side-lying posture without and with contraction, or inversely. The angle of progression (AOP) and the head-perineum distance (HPD) between contractions (AOP1 and HPD1) and with contraction (AOP2 and HPD2) were measured in each maternal posture. The differences between AOP1 and AOP2 (dAOP), and between HPD1 and HPD2 (dHPD) were calculated.

RESULTS AND CONCLUSIONS

Forty-two women participated in the study. A generalized estimating equation model showed that AOP1 (-3.00°; 95 % CI -5.77 to -0.23; p = 0.03) and AOP2 (-4.14°; 95 % CI -7.20 to -1.08; p = 0.008) were lower in semi-recumbent compared to maternal lateral posture. HPD1 (+1.43 mm; 95 % CI 0.05-2.81; p = 0.042) and HPD2 (+1.53 mm; 95 % CI 0.17-2.89; p = 0.03) were higher in semi-recumbent position. Differences in the ITU measurements in maternal lateral posture compared to semi-recumbent position are small. Monitoring the second stage of labor with ITU in lateral maternal posture is possible.

Mode of delivery and birth outcomes in relation to the duration of the passive second stage of labour: A retrospective cohort study of nulliparous women

OBJECTIVE

To investigate the mode of delivery and birth outcomes in relation to the duration of the passive second stage of labour in nulliparous women.

METHODS AND FINDINGS

A retrospective cohort study of all nulliparous women (n = 1131) at two delivery units in Sweden. Maternal and obstetric data were obtained from electronic medical records during 2019. The passive second stage was defined as the complete dilation of the cervix until the start of the active second stage. The duration of the passive second stage was categorized into three groups: 0 to 119 min (0 to <2 h), 120-239 min (2- <4h) and ≥240 min (≥4h). Differences between the groups were examined using t-test and Chi2-tests and regression analyses were used to analyse adjusted odds ratio with 95% confidence intervals. The primary outcome was mode of delivery in relation to the duration of the passive second stage and the secondary outcomes covered a series of adverse maternal and neonatal birth outcomes. The rates of instrumental and caesarean deliveries increased as the duration of the passive second stage increased. A ≥4-hour duration of the passive second stage was associated with a nine-times increased risk of caesarean section, and a four-times risk of instrumental delivery compared to a duration of <2 hours in the adjusted analyses. No differences were found in the maternal birth outcomes. The risk of a 5-minute Apgar score <7 was increased in the 2-<4h group. A longer passive second stage was not associated with an increased risk of negative birth experience.

CONCLUSIONS

Our study demonstrates an increased risk of operative delivery for a longer duration (>2h) of the passive second stage in nulliparous women, although most of the women gave birth by spontaneous vaginal delivery even after ≥4 hours. There was no evidence of an increased risk of adverse maternal outcomes in a longer duration of the passive second stage but there were indications of increased adverse neonatal outcomes. Assessment of fetal well-being is important when the duration of the passive phase is prolonged.

"Assisted vaginal birth using the Paily obstetric forceps vs Ventouse - A randomized clinical trial"

OBJECTIVE

Instruments used in assisted vaginal birth have seen little innovation for decades. Due to the risk of trauma and technical difficulty incurred during forceps delivery, instrumental deliveries are on a decline, and the global rate of primary cesarean birth is rising. The novel Paily Obstetric Forceps (POF) features a compact, lighter design with thinner blades, designed to increase operator comfort and minimize maternal and neonatal injuries. We aim to determine the feasibility and safety of POF in achieving vaginal birth compared to a ventouse device with a 50 mm silastic cup.

STUDY DESIGN

We conducted a single-blinded, parallel arm, randomized clinical trial of the novel POF vs a ventouse device, in patients undergoing indicated assisted vaginal birth, at a tertiary care obstetric unit. We randomized 100 patients to be allocated on a 1:1 ratio to both intervention arms. Primary outcome was the proportion of successful instrumental deliveries. Secondary outcomes were the number of pulls required during traction and any maternal or neonatal adverse events.

RESULTS

The POF was significantly more successful in achieving vaginal birth than the ventouse device (n = 50/50, 100 % vs n = 42/50, 84 %, p = 0.006). Operators reported requiring significantly fewer pulls during POF traction than ventouse. POF demonstrated a higher risk for maternal trauma (RR = 3.2, 95 % CI = 1.5 to 6.9, NNH = 2.7) but a lower risk for neonatal injury (RR = 0.6, 95 % CI = 0.3 to 1, NNH = 5.7). Maternal and neonatal recovery durations were comparable. There were no incidences of maternal or neonatal mortality.

CONCLUSION

The POF can be used in indicated assisted vaginal birth with superior success rates and better neonatal outcomes than ventouse. Other obstetric forceps must be standardized to conduct larger superiority trials of forceps designs.

Attitudes and knowledge regarding episiotomy use and technique in vacuum extraction: A web-based survey among doctors in Sweden

OBJECTIVES

Correct episiotomy use and technique may prevent obstetric anal sphincter injuries. We aimed to explore the attitudes, use, and technique regarding episiotomy among doctors in Sweden, and their willingness to contribute to a randomized controlled trial of lateral episiotomy or no episiotomy in vacuum extraction in nulliparous women.

STUDY DESIGN

A web-based survey was sent to members of the Swedish Society of Obstetrics and Gynecology (n = 2140). The survey included 31 questions addressing personal characteristics, use of episiotomy, a two-dimensional picture on which the respondents drew an episiotomy, and questions regarding attitudes towards episiotomy and participation in a randomized controlled trial. We calculated the proportion of supposedly protective episiotomies (fulfilling criteria of a lateral or mediolateral episiotomy and a length ≥ 30 mm). We compared the results between obstetricians, gynecologists, and residents using Chi-square and Kruskal-Wallis tests for differences between groups, and logistic regression to estimate the odds ratio (OR) of drawing a protective episiotomy.

RESULTS

We received 432 responses. Doctors without a vacuum delivery in the past year were excluded, leaving 384 respondents for further analyses. In all, 222 (57.8%) doctors reported use of episiotomy in<50% of vacuum extractions. We obtained 308 illustrated episiotomies with a median angle of 53°, incision point distance from the midline of 21 mm, and length of 36 mm, corresponding to a lateral episiotomy. Few doctors combined these parameters correctly resulting in 167 (54.2%) incorrectly drawn episiotomies. Residents drew shorter episiotomies than obstetricians and gynecologists. Doctors ranked episiotomy the least important intervention to prevent obstetric anal sphincter injuries in vacuum extraction. Doctors contributing to an ongoing randomized controlled trial of lateral episiotomy or no episiotomy in vacuum extraction were more able to draw a protective episiotomy (OR 3.69, 95% confidence interval 1.94-7.02).

CONCLUSIONS

Doctors in Sweden reported restrictive use of episiotomy in vacuum extraction and depicted lateral type episiotomies, although the majority were incorrectly drawn. Preventive episiotomy was ranked of low importance. Our results imply a need for education, training, and guidelines to increase uptake of correct episiotomy technique, which could result in improved prevention of obstetric anal sphincter injuries.