The initiation of labour at term gestation: Physiology and practice implications

The prevalence of pain catastrophising in nulliparous women in Nepal; the importance for childbirth

In Lower-Middle-Income-Countries women are encouraged to present at a birthing facility for skilled care, but attending early can be associated with additional harm. Women admitted in latent labour are more likely to receive a cascade of unnecessary interventions compared with those attending a birthing facility during active labour. One reason that women present early is pain, with higher rates of admission among those who pain catastrophise. The aim of this study was to explore the prevalence of pain catastrophising in nulliparous women in Nepal and to identify predictors for pain catastrophising. A cross sectional study was conducted using a semi-structured survey. The survey was completed by 170 women (18-32 years) in one higher education institution in Kathmandu. The survey included the pain catastrophising scale (PCS), current and previous pain and information about period pain, sociodemographic variables of age, ethnicity, and religion. The prevalence of pain catastrophising reported at a cut off score of PCS≥20 was 55.9% and at a cut off score of PCS≥30 was 17.1%. All women with a PCS ≥30 reported having painful periods. Those with a PCS≥20 were four times [95%CI 1.93-8.42] more likely to report painful periods affecting their daily activities (p<0.001) and those with PCS≥30 three times [95%CI1.10-10.53] more likely (p<0.05). In both cases ethnicity and age were not associated. Women with higher PCS were less likely to take pain medication. A high prevalence of pain catastrophising was reported. It is important to understand how women's previous negative experiences of pain and pain catastrophising are perceived and if they are contributing to the rise in obstetric intervention, particularly caesarean births, in Nepal. We recommend repeating this study with a larger sample representing a more diverse population.

Clinical algorithms for the monitoring and management of spontaneous, uncomplicated labour and childbirth

AIM

To develop evidence-based clinical algorithms for the assessment and management of spontaneous, uncomplicated labour and vaginal birth.

POPULATION

Pregnant women at any stage of labour, with singleton, term pregnancies considered to be at low risk of developing complications.

SETTING

Health facilities in low- and middle-income countries.

SEARCH STRATEGY

We searched for relevant published algorithms, guidelines, systematic reviews and primary research studies on Cochrane Library, PubMed, and Google on terms related to spontaneous, uncomplicated labour and childbirth up to 01 June 2023.

CASE SCENARIOS

Three case scenarios were developed to cover assessments and management for spontaneous, uncomplicated first, second and third stage of labour. The algorithms provide pathways for definition, assessments, diagnosis, and links to other algorithms in this series for management of complications.

CONCLUSIONS

We have developed three clinical algorithms to support evidence-based decision making during spontaneous, uncomplicated labour and vaginal birth. These algorithms may help guide health care staff to institute respectful care, appropriate interventions where needed, and potentially reduce the unnecessary use of interventions during labour and childbirth.

Using a birth ball to reduce pain perception in the latent phase of labour: a randomised controlled trial

BACKGROUND

Admission in the latent phase of labour is associated with higher rates of obstetric intervention. Women are frequently admitted due to pain. This study aimed to determine whether using a birth ball at home in the latent phase of labour reduces pain perception on admission.

METHOD

A prospective, pragmatic randomised controlled trial of 294 low risk pregnant women aged 18 and over planning a hospital birth. An animated educational video was offered at 36 weeks' gestation along with a birth ball. The primary outcome was pain on a Visual Analogue Scale on admission in labour. Participants who experienced a spontaneous labour were invited to respond to an online questionnaire 6 weeks' postpartum.

RESULTS

There were no differences in the mean pain scores; (6.3 versus 6.5; 90%CI -0.72 to 0.37 p = 0.6) or mean cervical dilatation on admission (4.7 cm versus 5.0 cm; 95% CI -1.1 to 0.5 p = 0.58). More Intervention participants were admitted in active labour (63.6% versus 55.7%; p = 0.28) and experienced an unassisted vaginal birth (70.3% v. 65.8%; p = 0.07) with fewer intrapartum caesarean sections (7.5% v. 17.9%; p = 0.07) although the trial was not powered to detect these differences in secondary outcomes. Most participants found the birth ball helpful (89.2%) and would use it in a future labour (92.5%).

CONCLUSION

Using the birth ball at home in the latent phase is a safe and acceptable strategy for labouring women to manage their labour, potentially postpone admission and reduce caesarean section. Further research is warranted.

The RETHINK Study: Could pain catastrophising explain why some women are more likely to attend hospital during the latent phase of labour

OBJECTIVE

To examine the prevalence of pain catastrophising and identify whether it impacts on the timing of hospital admission when in labour.

METHODS

A longitudinal cohort study. Nulliparous women, experiencing an uncomplicated pregnancy in England, were recruited between 25 and 33 weeks gestation. Participants completed two online questionnaires, (1) on recruitment, including the Pain Catastrophizing Scale (PCS) and the Wijma Delivery Expectancy Questionnaire (WDEQ-A) (2) at three weeks postnatal.

RESULTS

A total of 389 eligible participants entered the study. The percentage of women who were pain catastrophisers (PCS ≥ 20) was 28.1 %, while 7.6 % had a high pain catastrophising score (PCS ≥ 30). There was no association between pain catastrophising and the timing of hospital admission. The percentage of women reporting fear of childbirth (WDEQ-A score of ≥ 85) was 10.6 %. Fear of childbirth was highly associated with PCS scores (p <.001) at both the lower (≥20) and higher (≥30) thresholds.

CONCLUSION

Although not statistically significant, there was a tendency for women who pain catastrophise to present to hospital in the latent phase. The highly significant association between PCS and WDEQ-A scores has implications for the identification of these women and suggests that the PCS can be used as a screening tool to identify those women who have heightened fear around pain and who may also go on to develop clinically relevant fear of childbirth. Further studies are needed to confirm the acceptability of the PCS as a screening tool with women.

Symptoms of onset of labour and early labour: A scoping review

BACKGROUND

Early labour care often insufficiently addresses the individual needs of pregnant women leading to great dissatisfaction. In-depth knowledge about symptoms of onset of labour and early labour is necessary to develop women-centred interventions.

QUESTION OR AIM

To provide an overview on the current evidence about pregnant women's symptoms of onset of labour and early labour.

METHODS

We conducted a scoping review in the five databases PubMed, Web of Science, CINHAL Complete, PsychInfo and MIDIRS in May 2021 and August 2022 using a sensitive search strategy. A total of 2861 titles and abstracts and 290 full texts were screened independently by two researchers using Covidence. For this article, data was extracted from 91 articles and summarised descriptively and narratively.

FINDINGS

The most frequently mentioned symptoms were 'Contractions, labour pain' (n = 78, 85.7 %), 'Details about the contractions' (n = 51 articles, 56.0 %), 'Positive and negative emotions' (n = 50, 54.9 %) and 'Fear and worries' (n = 48 articles, 52.7 %). Details about the contractions ranged from a slight pulling to unbearable pain and the emotional condition varied from joy to great fear, showing an extraordinary diversity of symptoms highlighting the very individual character of early labour.

DISCUSSION

A comprehensive picture of varying and contradicting symptoms of onset of labour and early labour was drawn. Different experiences indicate different needs. This knowledge builds a good basis to develop women-centred approaches to improve early labour care.

CONCLUSION

Further research is necessary to design individualised early labour interventions and evaluate their effectiveness.

Describing the transition from late pregnancy into early labour - A prospective cohort study

OBJECTIVE

The time between self-assessed first symptoms and clinical confirmation of labour onset is marked by uncertainty, particularly for primiparas. Accordingly, primiparas often seek professional care to confirm their perceptions of labour onset. This paper describes the transition into early labour among primiparas considering their level of certainty in labour onset and their perception of labour onset symptoms prior to birth.

METHODS

A prospective exploratory cohort study was conducted in Germany between July 2020 - March 2021 among a convenience sample of 69 primiparas. Respondents recorded in a non-validated questionnaire their perceptions of nine symptoms and degree of certainty about labour onset every day from 37 weeks gestation. Descriptive analysis included certainty in labour onset and dedicated symptoms in relation to days before birth.

RESULTS

The participants (n=69) reported a little certainty of labour onset up to 32 days before birth and most of them became certain up to four days before birth. Associated symptoms were regular and irregular pain, symptoms of vaginal loss and emotional symptoms. Gastrointestinal symptoms and nausea were not indicated by a majority. Uncertainty of labour onset, however, was indicated up until the day of birth.

CONCLUSION

Although interpretation is based on a small sample size, primiparas are able to self-diagnose labour onset and report connected symptoms up to four days before birth. We suggest calling this time between self-diagnosis of labour onset and confirmed labour onset based on clinical parameters the transition into early labour.

Association between prelabour caesarean section and perinatal outcomes: analysis of demographic and health surveys from 26 low-income and middle-income countries

OBJECTIVES

Caesarean section (CS) conducted before labour (prelabour CS (PLCS)), compared with vaginal birth, may pose additional maternal and perinatal risks. No multicountry analysis has examined PLCS in low-income and middle-income countries (LMICs). This study assessed rates, risk factors and associations of PLCS with perinatal outcomes in LMICs.

DESIGN

Population-based cross-sectional surveys.

SETTING

Demographic and Health Surveys conducted between 2015 and 2018 in 26 LMICs (13 countries in Africa, 11 in Asia and 2 in the Americas).

PARTICIPANTS

Women aged 15-49 years with singleton term births.

OUTCOME MEASURES

Main outcomes were early neonatal mortality, neonatal mortality, early breastfeeding (within 1 hour of birth), skin-to-skin contact and duration of hospital stay.

RESULTS

255 227 women were included in the main analysis. Average rates of primary PLCS ranged from 1.3% in Zambia to 19.5% in Maldives. Median PLCS rate was 1.8% in the poorest versus 5.8% in the richest subgroups.Higher maternal age, education, economic status and BMI, lower parity, urban residence, delivery in private hospitals, larger baby size, having health insurance, more antenatal care (ANC) visits, ANC by a doctor and ANC in private hospitals were associated with increased primary PLCS.Across the 26 countries, primary PLCS, compared with vaginal delivery, was associated with increased neonatal mortality (adjusted odds ratio, aOR 1.2, 95% CI 1.0 to 1.5), decreased early breastfeeding (aOR 0.4, 95% CI 0.3 to 0.5) and skin-to-skin contact (aOR 0.4, 95% CI 0.3 to 0.5) and longer hospital stay (aOR 6.6, 95% CI 5.9 to 7.4). No significant association was found for early neonatal mortality (aOR 1.2, 95% CI 0.9 to 1.5).

CONCLUSION

Primary PLCS, compared with vaginal birth, is associated with adverse perinatal outcomes in singleton term pregnancies in LMICs. Caesarean births should be audited regularly to monitor trends, appropriateness and context-specific drivers of CS.

Attitudes of pregnant women and healthcare professionals to labour induction and obtaining consent for labour induction

Induction of labour is experienced by up to one third of women and can be a negative experience, in relation to both the decision about whether to have an induction of labour (IoL) and the experience of the process of IoL. This paper reviews the limited evidence of women's views on and experiences of: information provision; shared decision-making; preferences for method and location of IoL; indications for IoL; pain management; and effective communication and support. Healthcare professionals' views are reviewed, but are underrepresented, and further research is needed to understand experiences of gaining consent for IoL. Systematic review evidence is drawn on where possible, but reviews often found small numbers of papers for inclusion, and provide insights rather than conclusive evidence. Future research would benefit from using validated measures to assess the experience of IoL.