Chapter 24 Supporting women in labour and birth
Learning outcomes for this chapter are:
1. To explain labour and birth as a continuum that integrates physical, psychological, emotional, social and spiritual processes
2. To demonstrate awareness of the impact of the labour, birthing environment and relationship with carers on each woman’s experience
3. To explain the importance of women-centred care based on the midwifery principles of partnership, continuity of carer and holism
4. To identify evidence-informed care appropriate to the individual needs of each woman and her baby
5. To develop midwifery assessment skills to be able to monitor the woman and her baby’s health, wellbeing and responses to the physiological changes during labour and birth and the immediate postpartum period
6. To understand how to facilitate and support the first few hours together for mother and baby
7. To be able to understand the legal and professional requirements for comprehensive and accurate documentation of the woman’s birthing experience.
This chapter takes a woman-centred approach to the midwifery care of women in physiological labour at term. Labour and birth are considered a single continuous process, from the beginning of labour until two hours following the birth, although the traditional divisions into stages of labour are discussed. Using the New Zealand College of Midwives ‘Decision Points for Midwifery Care’ as a framework, a midwife’s work, ‘with women’, through labour and birth is examined (NZCOM 2008a). Underpinning this work is the midwife–woman relationship, assessment skills, decision-making and the provision of supportive care that facilitates and enhances the normal physiological process of labour and birth. Key midwifery principles of partnership, continuity of caregiver and the promotion of physiological birth also underpin this chapter.
DEVELOPING THE WOMAN–MIDWIFE RELATIONSHIP
A midwife’s role in supporting women in labour begins in the antenatal period with the establishment of the relationship between each midwife and each woman (Guilliland & Pairman 1995). For a midwife to be able to provide effective and individualised care, she must spend time with each woman, getting to know her and her desires and dreams for the birth of this baby. Spending time getting to know each other also enables trust to develop, and anxieties, fears and misconceptions to be acknowledged before labour starts (Homer et al 2008; Pairman 1998). Unexplored fears and issues can exacerbate the challenges that occur in labour, and without this understanding a midwife will find it more difficult to provide woman-centred care (Edwards 2005).
The midwifery definition of labour relies on each woman’s perceptions, and will always be unique to the individual woman and therefore difficult to define in an exact way. Within the midwifery model of care, the woman is the focus and therefore her perceptions are the governing factors when providing care in labour (Gould 2000).
The knowledge that a midwife gains through the partnership relationship established with each woman guides her ability to support the woman to use her own strength to labour and birth her baby. As the woman moves through the various stages of her labour, the midwife’s role in facilitating and promoting normal physiological labour and birth relies on her ability to be ‘with the woman’ (Daellenbach 1999; Pairman 1998). The ability to provide supportive midwifery care in labour is a multifaceted skill. The parameters of normal labour and birth are individual to each woman. To be able to recognise what is ‘normal’ for each woman, a midwife needs to be available to her and alert to the ebbs and flows of that woman’s experience. By truly being ‘with’ the woman, the midwife is able to recognise and acknowledge the complexity of a process that is at once emotional, spiritual and physical (Chapman 2003). With this acknowledgement comes understanding of the factors that may affect labour and birth both positively and negatively. The combination of the birth environment, relationships with partners and carers, the physiological processes of labour and birth, and psychological influences can have a profound effect on the progress of a woman’s labour (Walsh 2001).
Box 24.1 Benefits of continuity of midwifery care for women in labour
• More women feeling in control during labour and childbirth
• More likely to have a spontaneous vaginal birth
• Reduced use of regional anaesthesia/analgesia
Decision points for midwifery care in labour and birth
Throughout this chapter, decision points are identified to provide a framework for provision of midwifery care. Developed by the New Zealand College of Midwives (NZCOM) in 1993 and revised in 2008, the decision points identify those times when a midwife ought to make a midwifery assessment, although it is recognised that assessments are based on individual need (NZCOM 2008a). The decision points outline what information needs to be shared between each woman and midwife at each assessment point as well as the health information and midwifery care that should be provided.
THE CONTINUUM OF LABOUR AND BIRTH
Labour has traditionally been separated and compartmentalised into arbitrary stages, unimaginatively labelled first, second, third and, more recently, fourth stages. For midwives and women, the reality is that labour and birth are a continuous process (McCormick 2003; Wickham 2003). Even so, as a woman moves into and through her labour process, there are recognisable emotional and physical changes. As a part of midwifery assessment it is important to understand and recognise these changes, to identify normal progress. Reorienting thinking about labour to acknowledge the physiological process as experienced by women has led some researchers to define labour as consisting of:
RECOGNISING LABOUR
Normal labour occurs between 37 and 42 weeks gestation (McCormick 2003; NICE 2007). As a woman approaches the end of the pregnancy she will often experience an increase in intensity of Braxton Hicks contractions and commonly an increase in vaginal discharge/mucus. Other signals indicating that labour may be imminent include further descent of the baby into the pelvis and bouts of strengthening uterine activity. The advent of approaching labour can elicit intense emotional responses in some women, ranging from acute apprehension to excited anticipation. Midwives must be sensitive to these feelings and changes, and be able to reinforce the normality of these responses.
During the antenatal period, a midwife will have discussed with the woman the signs and symptoms to aid recognition of the beginnings of labour (see Clinical point ‘Signs of labour’). She will identify with the woman when to make contact and what information will be sought at this initial contact. It is helpful to summarise this discussion in the woman’s notes so that she can remind herself of these points later and as reassurance for her and her family.
Clinical point
Signs of labour
• Increasingly intense contractions that become painful
• Increasingly regular and more-frequent contractions
• Vaginal discharge of bloodstained mucus (called a ‘show’); may occur before contractions commence
• Vaginal discharge of clear fluid if membranes rupture spontaneously; can occur before contractions and is considered a sign of labour if accompanied by contractions and cervical dilation.
Labour: latent phase to onset of active phase
The latent phase is recognised as a valid phase of labour but is difficult to define and poorly understood (Enkin et al 2000; Walmsley 2003). It has been described as the start of uterine contractions until progressive dilation of the cervix commences (Enkin et al 2000). Confusing the latent phase with a poorly progressing active phase can lead to inappropriate and unnecessary interventions that may affect the outcomes for mother and baby. This can occur because duration of the latent phase varies from woman to woman. There is no consensus in the literature on what constitutes the length of a normal latent phase. Definitions vary from 6 to 8 hours up to 24 to 36 hours (Enkin et al 2000; NICE 2007; Stables 1999; Walmsley 2003).
Some women may not experience the latent phase of labour, but for those who do, it can be a confusing time. It is common for women to need time, support and reassurance for labour to establish and become progressive. Viewing labour and birth as a normal process enables a woman to find her own way through her own unique experience. Encouraging her to listen and trust her body, and to rest and fuel her body, enables the process of birth to happen at its own pace. Rest, food and fluids, supportive, professional midwifery care, and the avoidance of unnecessary interventions will assist most women through this time (Simkin & Ancheta 2000). It is important to remember that slow progress in the first stage of labour does not necessarily mean the presence of a problem or abnormality (Enkin et al 2000; Simkin & Ancheta 2000).
FIRST DECISION POINT IN LABOUR WHEN THE WOMAN OR HER SUPPORT PERSON FIRST INFORMS THE MIDWIFE THAT SHE IS IN LABOUR
• Is she having discomfort/pain? When did this start? The midwife needs to ascertain whether the pain is caused by uterine activity/contractions.
• What are her contractions like? Where does she feel them? How often do they come? How long do they last?
• Can she talk through them? Does resting or being active change their pattern?
Clinical point
Characteristics of the latent phase
• The contractions are short, irregularly spaced and easily interrupted by inactivity and distractions (e.g. the woman’s other children, unexpected visitors, loud noises, taking a bath).
• The woman may be able to sleep for short periods.
• The woman will often still feel hungry.
• The woman will still be connected to what is going on around her (e.g. she will join in on conversations and may be able to talk during a contraction).
• Has she had any vaginal discharge? If so, what does it look like (e.g. bloodstained mucus or watery discharge)?
• Does she think her membranes have ruptured? If so, what colour is the liquor (clear, pink, green or brown/black)?
• Has her baby been moving in the last few hours?
On the basis of this assessment, a midwife will decide whether to visit the woman at home. Sometimes a woman can be reassured by phone that she is in the latent phase of labour and asked to contact the midwife again when the contractions become more regular, frequent and painful, or if there are any other signs that labour is progressing. If a midwife is not certain of the progress of labour, then a home visit should be made before a woman is advised to come into the maternity unit. Research shows that women who are reviewed in early labour have shorter labours, fewer epidurals, less synthetic oxytocin augmentation and more positive birthing experiences (Walsh 2000a). The key assessment is whether the woman is in latent or active labour; if she is in latent labour she should be encouraged to stay at home.
If a visit is made, the midwife should make a full assessment of the woman and her baby and document this (see details of assessment later in the chapter). An abdominal examination to define the position of the baby and listen to the baby’s heart rate gives the midwife and the woman information to reassure and guide further advice. If the baby isn’t in an optimal position, recommendations can be made regarding strategies for the woman to work with (Sutton 2003). Vaginal examinations, while not generally warranted at this stage, may assist in the diagnosis of the latent phase, as minimal dilation will have occurred (Chapman 2003). Observing the woman’s behaviour will help the midwife differentiate between latent and active labour.
If the woman is in latent labour and is well supported at home by friends and family, it may then be appropriate to leave her and return when she requires additional midwifery support and/or labour becomes active. The woman needs to know that the latent phase is normal and may be lengthy, and that it is not the time for clock-watching (Baston 2004). The woman should continue with her usual activities but ensure that she continues to eat, rest and sleep so that she can find the focus and energy required when labour does establish.
At home, women can work with the latent phase by being able to rest in their own bed, walk in their garden, lean against their kitchen bench, kneel into a beanbag or take a warm bath. Women planning to birth in hospital should try to use all the resources available to them at home before going into the hospital environment, which does not favour the latent phase (Walsh 2000a). Being confined to one room and exposed to the sounds of other women in active labour does nothing to support the woman or give her confidence when she still has many hours of labour ahead of her.
SECOND DECISION POINT IN LABOUR WHEN THE WOMAN WANTS INTERMITTENT SUPPORT FROM THE MIDWIFE
Box 24.2 What to consider for an early labour assessment
• Assess the woman’s wellbeing, including her emotional and behavioural responses.
• Assess the adequacy of her food and fluid intake, and her ability to rest.
• Consider physical assessments including abdominal palpation, strength, length and frequency of contractions, blood pressure, and the baby’s wellbeing, including heart rate.
• If her membranes have ruptured, assess the colour of the liquor.
• Discuss the relevance of a vaginal examination at this point.
• Documentation of findings, advice given and plan for ongoing care.
If the woman is still in the latent phase, then midwifery care and advice will continue as before. If the woman has progressed into early labour, she may feel the need for intermittent support from the midwife. If the woman is well supported at home by friends and family, then the midwife may be able to leave for periods of time, always ensuring that she can be contacted if required and clearly stating when she will return for a further assessment. The woman is advised to eat and drink and move about as she wishes. Once labour establishes, the woman is likely to want continuous support from her midwife.
Labour: active phase to onset of transition
Traditionally, normal progress has been identified by a cervical dilation rate of 1 cm/hour in active labour. This definition was based on the work of Friedman in the 1950s and has been universally adopted to assess the parameters of ‘normal’ progress (Friedman 1954). (For more detailed information on this aspect of labour progress, see Chapter 37.) However, in reality, many midwives and women know that what is slow progress for one woman may be acceptable for another. There is continued debate about what actually constitutes a normal cervical dilation rate. Much of the research undertaken to identify ‘normal’ progress in labour has been undertaken in medicalised settings and has focused mainly on the rate of cervical dilation while ignoring other physiological changes and influences (Philpott & Castle 1972; Seitchik 1987; Studd 1973). More recent work challenges these findings and encompasses a holistic approach to labour assessment that centres on the woman and baby’s wellbeing rather than on the length of labour (Albers 1999; Crowther 2000). Albers (1999), in her study of the duration of labour in low-risk women, found that normal labour for these women lasted longer than many clinicians expect. This research suggests that a cervical dilation rate of 0.3–0.5 cm/hour may be more appropriate and recommends the revision of criteria determining normal labour progress.
Clinical point
Characteristics of the active phase
• Contractions are of increasing regularity, strength, length and frequency.
• The woman needs to move about and cannot rest in one position for long.
• The woman will be less connected to what is going on around her and increasingly will not be able to talk through contractions; increasingly she will go ‘into herself’ as the labour ‘takes her over’.
• The woman may not feel like eating.
• On abdominal palpation, the baby is felt to have moved down further into the pelvis.
• On vaginal assessment of the cervix, increasing effacement, softening and dilation is felt, and the baby’s head descends lower into the pelvis.
Research activity
Familiarise yourself with the research on the duration of normal labour, e.g. Albers (1999) and Crowther (2000). How will the conclusions of this research assist you in supporting women experiencing a labour that does not conform to the ‘1 cm cervical dilation/hour’ paradigm?
Clinical point
When doing home visits to women in labour, bring a full birth kit in case of unexpected or unplanned homebirth—see Table 24.2.
For further information contact:
• Homebirth Aotearoa (New Zealand); New Zealand College of Midwives (www.midwife.org.nz)
• Australian College of Midwives Inc for a copy of the Application for Accreditation as an Independently Practising Midwife. This contains prompts for the midwife to consider skills in perineal repair, neonatal resuscitation and maternal resuscitation. In addition this asks the midwife to determine what she or he has available in terms of equipment for fetal monitoring and resuscitation, maternal assessment and care including resuscitation, drugs and communication equipment.
(Source: This table was prepared by Maralyn Foureur, 2005.)
THIRD DECISION POINT IN LABOUR WHEN THE WOMAN WANTS CONTINUOUS SUPPORT FROM A MIDWIFE
Staying with the woman is an essential midwifery role. Being ‘with the woman’ requires not only the physical presence of the midwife but also her focus and attention. Women identify that the quality of the ‘presence’ of the midwife is directly related to the midwife’s energy and commitment to her (Baston 2004; Lavender & Kingdon 2006). The midwife can also encourage the woman’s support people to be as involved as the woman needs. The midwife needs to recognise that support people may have their own anxieties during the labour, which may impinge on their ability to support the woman. The midwife can guide support people to participate in nurturing the woman to maintain a positive environment.
If the woman is planning to have her baby in a maternity facility, she will need to be transferred to the facility once she is in the active phase of labour. The midwife needs to be alert to the possible impact of this new environment on the woman and her support people (Cluett 2000) (see Clinical point ‘What to consider when moving from home to hospital’).
Clinical point
What to consider when moving from home to hospital
• Visit at home to assess progress and discuss transfer to hospital with woman.
• Check the birth plan. Did the woman think she would feel more comfortable transferring in early or more established labour? How does she feel now?
• If unable to assess progress from observations and discussions with the woman, consider vaginal examination.
• Distance from the woman’s home to the hospital—that is consider transfer time.
• Mode and availability of transport, comfort during transfer.
• Collect ‘tools’ to take into hospital—for example supporters, own pillow, wheat bag, food, drink, music, massage oils, car seat and clothes for baby, fresh clothes for the woman.
• Ensure equipment is available in case of unexpected, unplanned home birth.
Research findings
Women’s recognition of the spontaneous onset of labour
Reported signs and symptoms | Number (%) | |
---|---|---|
Nulliparae | Multiparae | |
Recurrent pain | 62 (32.8) | 80 (44.4) |
Non-recurrent pain | 51 (27.0) | 41 (22.8) |
Watery loss | 30 (15.9) | 17 (9.4) |
Bloodstained loss | 17 (9.0) | 16 (8.9) |
Gastrointestinal symptoms | 8 (4.2) | 2 (1.1) |
Emotional upheaval | 8 (4.2) | 14 (7.8) |
Sleep disturbance | 6 (3.2) | 5 (2.8) |
Other | 7 (3.7) | 5 (2.8) |
Total | 189 (100) | 180 (100) |
Facilitating a supportive labour environment
Wherever a woman is birthing, it is important to assess the labouring and birthing environment to take into account the wishes of the woman and the factors that will enhance and support her normal physiological labour. These include ensuring adequate open spaces to move around, a nearby toilet, comfortable furniture, low or adjustable lighting, support people, and, for many women, privacy and quiet (Newburn 2003). Assisting the woman to make use of these ‘tools’ will help her to use her intuition and instinct to find the right place and positions for effective, active labour.
The birth space needs to feel safe for that woman. This concept of a ‘safe place’ incorporates both physical and psychosocial/spiritual safety that cannot be imposed on the woman (Parratt & Fahy 2004). Most women appear to labour most effectively when there is an atmosphere of calm and the focus is on her and her experience. Some women, however, feel self-conscious and prefer to be left alone or to have the distraction of their supporters’ conversations, the television, their favourite music or even their children being busy around them. It is therefore important to talk to the woman to find out what she wants. Taking into account cultural preferences is also imperative in facilitating an appropriate environment for effective labour. For example, it may be inappropriate for there to be men (including the father of the baby) present or it may be that the woman’s entire family, including aunts, uncles and grandparents, are to be actively involved.
Most women who begin their labour spontaneously will do so at home. It is well documented that women
should be encouraged to stay at home when in early labour, and that women are more relaxed and have more options in their own environments (Baston 2004). For those women who choose not to birth at home, the timing for transfer to hospital is crucial. If too soon, it may disrupt the flow of labour and slow progress, thus risking unnecessary intervention. If too late, there is the risk of birthing somewhere unplanned, such as at home or— worse—in a car, where the environment may carry risks for the mother or baby.
Once the woman is in hospital, creating a calm, positive, welcoming atmosphere will assist in reducing tension and anxiety (Lavender & Kingdon 2006). This can be a challenge when confined to one room. If the midwife arrives at the hospital before the woman, she should ensure that there is something available for the woman to drink, the lighting is dimmed and the room is warm. To make adequate space for the woman to be active in labour, consider placing the bed against the wall (or removing it from the room) and using beanbags, pillows and soft mats if available. This will signal to the woman when she arrives that there is not an expectation that she lie on the bed.
Research has shown that lying supine is not only uncomfortable for women but also does not aid the descent and rotation of the baby through the pelvis, and can contribute to fetal distress. Supine positions can compromise the uterine blood flow during labour and have been shown to decrease the intensity and frequency of contractions (Enkin et al 2000; NICE 2007). The physical layout of the labour environment will have a significant influence on what positions a labouring woman adopts, and if a woman is given many options this will have a positive impact on the birth outcome (Hodnett et al 2005). The culture of the birthing facility will influence a woman’s behaviour in labour, and if there is an expectation that the bed is to be used then she may feel pressured to do so.
Very few women at home will lie on their bed except when trying to rest or sleep, so when women move to the hospital environment from home the midwife needs to positively encourage and support women to continue moving freely and adopting different positions. By trying to make the labour room more home-like, midwives will assist in minimising disturbance to the flow of a woman’s labour and this will be of significant benefit to a woman and her baby (Hodnett et al 2005). This requires skill, effort and thought. As a woman’s contractions increase in strength and intensity, the midwife needs to be constantly thinking ahead about what position changes, ideas and strategies she may need to suggest, to support and encourage the woman through the challenges ahead.
Clinical point
Advantages of being upright in labour
• Increases uterine blood flow which increases efficiency of uterine contractions and improves oxygen availability to the baby.
• Assists rotation and descent of the baby through the pelvis.
• Reduces the need for pharmacological analgesia.
• Enables the woman to find the positions most comfortable for her and to be able to respond to her body’s needs.
Eating and drinking in labour
Women experiencing normal labour should be free to eat and drink as their body demands (Enkin et al 2000; NICE 2007). However, the NICE guidelines (2007) advise caution with food intake when women have been administered opioids, as these increase the potential for nausea and vomiting and cause slowing of digestive action.
Labour is a physically challenging process and requires as much fuel as any other strenuous activity. Most women will still feel able to snack on light foods in early labour, but as the contractions intensify may feel less inclined to eat. A recent Australian study (Parsons et al 2007) found no adverse outcomes associated with eating during labour. It is useful to talk with the woman prior to labour about what she thinks she may like to eat, and ensure that those foods are available to her. Most hospitals do not provide a particularly wide range of foods, so if the woman is planning to birth in hospital she may need to bring her own food with her. Some institutions have protocols that require labouring women to fast. For many women this may not present a problem, as they are already unwilling to eat when in active labour. But for others, enforced hunger becomes an extremely unpleasant experience. It may also lead to ketosis and poor progress in labour (Micklewright & Champion 2002). Having the freedom to eat whenever and whatever she chooses allows a woman to be in control, and reinforces the concept that labouring women know what their bodies need (Pengelley 2002; NICE 2007).
Women should be encouraged to drink according to their thirst, but may sometimes need prompting to drink when the labour becomes all-consuming. If a woman’s fluid intake is inadequate or she is experiencing episodes of vomiting, she will soon become dehydrated, especially if the physical demands of her labour cause her to sweat excessively (Micklewright & Champion 2002). This is particularly the case if the woman is labouring in a bath or birthing pool. One of the first symptoms of dehydration is fatigue, and this can disrupt the progress of labour and make it difficult for the woman to feel motivated and active. Decreased urine output may also be an indication for the need to increase fluid intake. If women are enabled to follow their inclinations about drinking, they are unlikely to become dehydrated (McCormick 2003).
Working with contractions
When each woman experiences contractions, a midwife needs to observe their length, strength and frequency, the body language of the woman and the impact on the contractions of the positions she adopts. Many women who experience lower back and sacral pain will adopt a leaning-forward position or be on their hands and knees. Squatting or soaking in a warm bath may help those with intense suprapubic pain. Sitting on the toilet is an ideal place to be when the contractions’ intensity builds, and this position also assists in widening the pelvic outlet. A woman’s instinct is to find a position that assists her in dealing with the contraction, and often this action also allows the baby to rotate into a more favourable position (Sutton 2003).
Much has been written about the ‘labour dance’ (Kitzinger 1997; Vincent 2002). As a midwife it is a privilege to watch a woman unrestricted by technology, rules and expectations of others, listening and responding as her body tells her. The dance may be evident by rhythmic rocking, hip circling and adjustments of position as the contractions exert their energy and power. As the labour moves forward, each woman’s dance will adapt to the physiological changes that are occurring in her body. For example, a woman who has previously been pacing and swaying with contractions may suddenly need to be rocking backwards and forwards on her hands and knees. For others who have found the birthing pool or bath soothing, it may now be more comfortable to be leaning against a wall with pressure applied to the sacrum. The use of moist heat can be particularly effective. This can be provided by soaking hand towels in very hot water, then wringing them out and applying them at the start of a contraction. Where they are placed depends on where the woman is feeling her contractions most. An attentive support team will soon recognise the signs that a contraction may be beginning, and have the heat available before the contraction has reached its full intensity. The use of heat provides comfort and a positive sensation, which may assist a woman as she works with her contractions.
Physical assessment in active phase of labour
Throughout labour, midwifery assessment relies on integration of the following aspects:
• observing the woman—her demeanour, length and frequency of contractions, how she responds to them and the positions she adopts, interactions with support people
• listening to the woman—how she relates her labour story so far, fears or concerns, vocal/breathing responses during contractions
• assessing the environment—the effect of those present, lighting, temperature, general atmosphere
• physical assessment—baseline parameters of uterine activity (length, strength and frequency of contractions, cervical dilatation and descent of the baby), baby’s reaction to labour (heart rate, reactivity, variability), vaginal loss, maternal responses to labour (pulse, temperature, blood pressure, level of hydration, level of pain, urinalysis).
Contractions
Each woman will exhibit her individual pattern of contractions through her labour. However, in active labour that is progressing, contractions will increase in strength and intensity and in length and frequency. A midwife can assess tone, length and frequency of contractions by placing her hand on the woman’s fundus and holding it there through several cycles of contraction and relaxation. The contraction can be timed from its beginning to end, and the length and frequency in each 10-minute period determined. It is useful for a student midwife to place her hand on a woman’s fundus for 10-minute periods in order to become familiar with assessing contractions. The student will be able to feel the contraction beginning, often before the woman feels it as pain. In this way, student midwives will become familiar with the range of contractions felt and observed for different women.