https://orcid.org/0000-0003-1125-5941
Figures
Abstract
Introduction
Postnatal depression is a significant public health issue which may escalate and lead to adverse outcomes for women, infants, their family and the wider society. The aim of this review was to examine the effectiveness and experiences of mother-led infant massage on symptoms of maternal postnatal depression and to synthesise these findings to inform policy, practice and further research.
Methods
A systematic search of five academic databases was conducted: CINAHL, MEDLINE, EMBASE, PsycINFO and Allied and Complementary Medicine Database in February 2023 with no date or geographic limiters set owing to the paucity of research on this subject area. Quality appraisal was undertaken using the Joanna Briggs Institute quality appraisal tools and all included RCT’s were assessed separately using the Cochrane Risk of Bias Tool. Narrative synthesis was used to analyse the data.
Findings
A total of (n = 323) studies were returned of which (n = 8) met the inclusion criteria for the review. This review identified a total sampling of (n = 521) women with maternal postnatal depression. The results are presented under three themes: 1) the effectiveness of mother-led infant massage on symptoms of postnatal depression; 2) women’s experiences of mother-led infant massage; and 3) the effects of mother-led infant massage on the mother-infant relationship.
Discussion
The review highlights women who used infant massage displayed a reduction in symptoms of postnatal depression, improved mother-infant interactions and improved self-efficacy in addition to benefits for infants. Public Health Nurse/Community Midwife-led infant massage may help to relieve such symptoms and empower women.
Citation: Geary O, Grealish A, Bright A-M (2023) The effectiveness of mother-led infant massage on symptoms of maternal postnatal depression: A systematic review. PLoS ONE 18(12): e0294156. https://doi.org/10.1371/journal.pone.0294156
Editor: Karolina Linden, University of Gothenburg: Goteborgs Universitet, SWEDEN
Received: June 1, 2023; Accepted: October 25, 2023; Published: December 13, 2023
Copyright: © 2023 Geary et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Data Availability: The author(s) confirm that all data generated or analysed during this study are included in this published article.
Funding: The author(s) received no specific funding for this work.
Competing interests: The author(s) have declared no competing interests.
Introduction
The transition to motherhood is an extraordinary time that can place increased demands on women [1]. The perinatal period is defined as beginning at conception evolving until one year after birth [2,3]. During this time, women experience a merging of new roles and responsibilities with their pre-existing life, together with the burden of perceived social expectations on becoming a mother [4]. Most women will experience the “baby blues” within the first two weeks after birth characterised as an adjustment reaction [5]. This change in mood is transient but women are at increased risk of developing Postnatal Depression (PND) if the appropriate supports are not in place [5]. It is estimated that 11% to 29% of new mothers will experience symptoms of PND in Ireland [3]. These prevalence rates are echoed globally; in Australia it is estimated 1 in 7 women experience PND [6] with as many as 1 in 3 women continuing to report symptoms of depression for up to four years after birth [7]. In the United Kingdom (UK) it is estimated that 11% of women experience symptoms of depression in the first year post-birth [8], similar to estimations of 11% reported in the United States of America (USA) [9].
Well-known risk factors for developing PND include previous mental health issues [10], suboptimal social, partner and emotional support [11], low income [12] and exposure to previous trauma including traumatic birth [13]. PND consequently is a predictor for suicide [14] which is the principal cause of direct death for women within the perinatal period [15,16]. PND can also have detrimental effects on the wider family; children of women who experience PND are more likely to display disruptive behaviours, mental health issues [17], have poor health outcomes and developmental delay [18]. Partners may also experience the negative impact of PND often characterised by their own mental health issues, parental stress and relationship breakdown [19]. PND can have negative implications for society as a whole, with exorbitant costs associated with both child and maternal health [20].
Although healthcare services worldwide recognise perinatal mental health as a public health issue, barriers relating to the implementation of practice guidelines still exist [21–26]. Healthcare professionals should strive to promote positive wellbeing for women by enforcing a salutogenic approach in their everyday role [27]. Public Health Nurses (PHN’s), a position similar to Health Visitors in the UK, have a pivotal role in supporting women soon after discharge from the maternity services. Although PHNs may engage with women in the antenatal period, their primary encounter is in the postnatal period. PHNs and Health Visitors are in an ideal position to recognise any potential issues such as symptoms or predictors of postnatal depression [24,28]. However, screening and onward referral to additional agencies such as the General Practitioner, parent-infant services and social work is the primary remit of PHNs in relation to perinatal mental health [25].
There is an abundance of evidence pertaining to the use of non-pharmacological and complementary interventions for the treatment of PND [29–32]. Interventions in the postnatal period have demonstrated a positive effect on mothers mental wellbeing such as Cognitive Behavioural Therapy (CBT) [30,32] where a reduction in Edinburgh Postnatal Depression Scale (EPDS) [33] scores were reported in mothers who received CBT. Furthermore, a psychoeducation intervention formulated by Holt et al. [32] displayed a significant reduction in parental stress at six months. In their systematic review, Dixon and Dantas [34] examined a variety of interventions for PND that exist in a community setting. All studies included interventions provided by healthcare professionals who were not mental health trained and their results indicate that community interventions encompassing CBT, infant stimulation, or problem solving strategies prompted an overall improvement in mother’s wellbeing [34].
Complementary and alternative therapies are increasingly prevalent in preventing and in treating many conditions including mental health issues [35]. Lindensmith [36] examined previous studies and interventions focusing on the improvement of mother-infant interactions for women with PND. Interventions included the use of infant massage and the results indicated an improvement in mother-infant interactions, bonding and maternal attitude towards the infant which is congruent with previous research [37]. Further to this, ample research exists supporting the use of infant massage to improve infant outcomes such as jaundice levels [38], behavioural responses [39] and bonding, attachment and sleep [40]. In the context of PND, evidence supporting a reduction in postnatal depression for mothers is weak [36,37]. Lotfalipour et al. [31] observed a significant improvement in the mood of women massaging their pre-term infants however these results may not be applicable to women who gave birth to term infants due to the emotional impact premature birth can have on a woman [41].
Infant massage is a useful technique which can be used to help strengthen mother-infant interactions, facilitate additional social support for women [42] and improve infant health outcomes [43]. This is reflected in a Health Visitor-led infant massage course in the UK [44] and demonstrates the potential complementary role for PHNs in Ireland and internationally. Therefore, the introduction of infant massage classes facilitated by PHN’s may assist in the prevention, reduction or identification of symptoms of PND. Subsequently, the aims of this review were to examine the effectiveness and experiences of mother-led infant massage on symptoms of maternal postnatal depression and to synthesise these findings to inform policy, practice and further research.
Methods
This systematic review was conducted using Cochrane guidance [45] and reported in accordance with the PRISMA statement [46] and is registered on the international prospective register of systematic reviews (PROSPERO: CRD42022307302). A Population, Intervention, Outcome (PIO) framework was adopted to create the selection of keywords in the search strategy and to formulate the following review question: “What are the effects and experiences of mother-led infant massage on symptoms of maternal postnatal depression?”
Search strategy
An initial search of the Cochrane library, Open Grey database, Google Scholar and Prospero was completed to avoid duplication of research. This search yielded no current or recently published systematic reviews on the effectiveness of infant massage on PND. Subsequently, the following five electronic databases were searched in February 2023: Cumulative Index to Nursing and Allied Health Literature (CINAHL), MEDLINE, EMBASE, PsycINFO and Allied and Complementary Medicine Database (AMED). Owing to an overall lack of studies in this area and to ensure all relevant studies were incorporated, no date or geographical limiters were set. Due to time constraints, studies were limited to those published in the English language. A set of search terms was created using Medical Subject Headings (MeSH), thesaurus and associated free-text terms and were then combined using Boolean operators as shown in Table 1. Forward citation tracking was also completed through hand searching reference lists of selected studies.
Eligibility criteria
Studies were included if they reported peer-reviewed primary qualitative, quantitative or mixed method data related to the effects of infant massage on symptoms of maternal postnatal depression. Any study that detailed valid outcome measures for postnatal depression and perinatal mood disorders were included. Studies that sampled postnatal women over 18 years and in the postpartum period with term infants were included. Studies that did not report findings that related to the effects of infant massage on symptoms of maternal postnatal depression were excluded as were non-peer-reviewed articles, unpublished literature, consensus statements, discussion papers, opinion papers and expert reviews.
Study selection
All studies retrieved in the database searches were combined and exported to the online platform Colandr [47], duplicates were removed and the remaining citations underwent title, abstract and full-text screening. Two authors (OG and AMB) assessed titles and abstracts against eligibility criteria and articles were excluded by agreement. Any disagreements were resolved through discussion with third author (AMG).
Quality appraisal
The quality appraisal of each study was undertaken using the Joanna Briggs Institute (JBI) Checklist for Randomised Control Trials (RCTs) [48], the JBI Checklist for Quasi-Experimental Studies [47] and the JBI Checklist for Qualitative Research [49]. Each tool contains a series of questions which are rated “Yes”, “No”, “Unclear” or “N/A”. Risk of bias was conducted using the Cochrane Risk of Bias Tool [50] for all RCTs included in this review. Each RCT was appraised to either have high, low or uncertain risk of bias. The quality appraisal was considered in the presentation and discussion of results. Quality appraisals were conducted by two reviewers independently (OG and AMB and disagreements resolved through discussion with the advice of third reviewer (AMG).
Data extraction
A Microsoft Word data extraction template was developed and used to tabulate methodological information from each study to include: author, year, country of origin, aim of study, infant massage intervention (delivery of intervention, women’s experiences of teaching sessions), sample characteristics, research setting, research design, outcome measures and key findings. The principal outcome of interest was a reduction in symptoms of maternal postnatal depression. Subordinate outcomes recorded were any additional benefits arising from infant massage i.e. quality of life, satisfaction levels, sleep quality, stress and mother-infant interactions. Any disputes during the study selection and data extraction processes were resolved through consultation between all three authors (OG, AMG & AMB).
Data analysis and synthesis
A narrative synthesis informed by Popay et al. [51] was completed. This involved viewing textual descriptions extracted from relevant papers in tabulated form. This allowed the dataset to be visualised in its entirety. The review team then explored the dataset for patterns and similarities from within each individual study and across studies. These patterns and similarities were grouped, named and presented as themes. To reduce subjectivity, two authors (OG and AMB) contributed to the construction of each theme. Meta-analysis was not completed owing to the small number of included studies and the absence of statistical homogeneity.
Results
Search outcomes
The literature search returned 323 studies. After the removal of duplicates (n = 84) and title and abstract screening, 34 studies were included for full-text screening from which eight (n = 8) met the eligibility criteria for this review. Fig 1 provides an overview of the study selection, screening and eligibility process.
Study characteristics
Table 2 outlines the characteristics of the eight included studies. The returned studies were conducted between the period spanning March 2001–February 2019. The included studies sampled 521 participants collectively and individual sample sizes ranged from 9 to 180. One study was conducted in Japan [52], one in Malaysia [53], one in Iran [54], one in Norway [55], two in the UK [56,57] and two in the USA [58,59]. Study designs included three RCTs [54,56,78], two pilot RCTs [52,58], two qualitative exploratory studies [53,54] and one quasi-experimental study [57]. Studies recruited participants from hospital settings [21,56], local health clinics [53–55], HIV treatment centres [58] and research organisations [59]. One study did not specify the recruitment methods used [57]. All studies reported on the effects of infant massage on mothers [52–59].
All studies obtained ethical approval [52–59].
Participant characteristics
The range of demographic data gathered differed greatly in each study. Maternal level of education was determined in three studies with majority of participants having received higher level/university education [53–55], while paternal level of education was determined in one study [54]. Marital status was recorded in four studies and ranged from single, married and living with partner [52–56]. Maternal parity was recorded in three studies [52,53,55] and sampled both primiparous and multiparous women. Infant’s gender was recorded in three studies [54,56,59] however, as not all studies reported gender in the same way, it was not possible to provide an aggregate. Four studies examined participant’s ethnicity with a wide range of ethnic backgrounds included, for example; White, Asian, Black, Hispanic and Multi-ethnic [53,56,58,59]. Further demographic details included mode of delivery, English speaking [56], infant birth measurements [58], employment status [53,54], transport [53], household income [53,54] and type of residence [54].
Outcome measures
Similar outcome measures were utilised throughout the studies with some exceptions. To assess affective symptoms the EPDS [33], Brief Mood Introspection Scale (BMIS) [60], Profile of Mood States (POMS) [61] and the Beck Depression Inventory II (BDI II) [62] were utilised. To assess maternal confidence, the Maternal Confidence Questionnaire [63] was utilised and to assess anxiety the State Trait Anxiety Inventory (STAI) [64] was used. The Pittsburgh Sleep Quality Index (PSQI) [65] and the Epworth Sleepiness Scale (ESS) [66] were used to assess sleep quality. To assess mother-infant interactions the Global Ratings for Mother-Infant Interactions [67] was used. Outcome measures relevant to the infant included the Infant Characteristics Questionnaire (ICQ) [68] and Infant Growth Measurements.
Characteristics of infant massage interventions
Studies included in this systematic review utilized various frameworks to implement infant massage. One study [58] used Ramsay’s [69] “baby’s first massage curriculum”, two studies [52,54] used Fields’ [70] “touch” mechanisms and three studies [55–57] used McClure’s [71] techniques from the International Association of Infant Massage. Chan et al. [53] and Mindell et al. [59] did not specify a chosen framework. The infant massage interventions varied in duration from two weeks to three months. Some were conducted in a structured class setting [53,55–57] while others were conducted in the home setting [52,54,58,59]. Six studies had a control group [52–54,56–59] and one did not [55]. One study offered an open-ended, practical support group to the control group which mothers could join at any stage [57]. Another study provided a support group to all participants including the control group, however both groups attended separately [56].
Quality of studies
Table 3 outlines the quality of the studies determined by the JBI Checklist for RCTs [48], the JBI Checklist for Qualitative Studies [49] and the JBI Checklist for Quasi-Experimental Studies [48]. Further quality appraisal was completed using GRADE [72]. Overall, the eight included studies were considered to be of fair quality and of high risk of bias (see Fig 2). Whilst the quality of all studies were mixed, studies were not excluded based on the quality assessment. Some studies lacked important methodological criteria and were deemed deficient in scientific rigour. For example, the presence of concealed allocation groups and participant and outcome assessor blinding is unclear in four of the six RCT’s [52,54,56,59].
Review findings
The findings of this review will be discussed under the following themes: (1) the effectiveness of mother-led infant massage on reducing symptoms of postnatal depression; (2) women’s experiences of mother-led infant massage and; (3) the effects of mother-led infant massage on the mother-infant relationship.
The effectiveness of mother-led infant massage on reducing symptoms of postnatal depression
All eight studies reported a reduction in symptoms of postnatal depression in women participating in infant massage. Fujita et al. [52] reported particularly on maternal mood post-infant massage. Baseline scores for each mood state as per the POMS for both intervention (I) and control (C) groups were as follows; tension-anxiety: I = 49.6, C = 50.9 (p = .66); depression-dejection: I = 46.3, C = 49.7 (p = .19); anger-hostility: I = 48.8, C = 51.4 (p = .39); vigor: I = 50.1, C = 46, (p = .15); fatigue: I = 50.7, C = 53.3 (p = .35) and confusion: I = 48.8, C = 51.8 (p = .27). These baseline scores showed no significant difference however, after three months, a statistically significant difference was noted in vigor: I = 50.1, C = 49.8, (p = .02) and depression-dejection: I = 42.8, C = 50.4, (p = .02) with the intervention group experiencing an improvement in both scores.
A reduction in the EPDS was noted in three studies post-infant massage with no significant differences at baseline [54,56,57]. In O’Higgins et al’s. [57] study the mean EPDS score for the intervention group reduced from 13.19 to 9.29. The support group saw a lesser reduction from 13.81 to 11. Onozawa et al. [56] reported a considerable reduction in EPDS. The median EPDS score for the intervention group at baseline was 15 and for the control group 16, post-intervention the intervention group scored 5 (p = 0.03) in comparison to the control group who scored 10. Likewise, a superior reduction in EPDS scores for the intervention group compared to the control group [54]. At baseline, I = 11.52, C = 11.31 (p = 0.461) and post-intervention: I = 7.75, C = 9.20 (p = <0.001). In context, a review of EPDS validation studies warned against generalising cut off points of the EPDS scale, instead making EPDS cut offs culture specific [73,74]. A cut of level of 13 appeared to specifically identify women with stronger symptoms of PND while a cut off of 11 was more sensitive but less specific [73]. Furthermore Matthey [74] found that although a wide range of studies argue that cut off points should be culture specific, many studies disagree arguing this is not of importance. Oswalt and Biasini [58], further reported a significant reduction in depression post-infant massage according to the BDI II. At baseline: C = 7.67, I = 8.38 (p = .89), post-intervention: C = 8.61, I = 5.31 (p = .04). Women who participated in infant massage also experienced a reduction in parental distress from 21.25 at baseline to 20.75 post-intervention. However a reduction in parental distress was also observed in the control group (28.44 at baseline, 25 post-intervention), thus results of the intervention group may not be attributed to infant massage. Interestingly, women in the intervention group exhibited improved feelings relating to physical contact with their infant with post-intervention scores decreasing from 33.50 to 33.42. Contrastingly in the control group, feelings related to physical contact with their infant deteriorated over time from 26.56 to 31.85. Notably, control scores at baseline were lower than the intervention group and no improvement in maternal confidence was observed in either group.
Mindell et al. [59], reported improved sleep quality for women in the intervention group using infant massage with less night waking at the end of the study (Baseline: I = 2.47, C = 2.39, post-test: I = 1.86, C = 2.32), in addition to a reduction in the ESS (Baseline: I = 8.98, C = 9.49, post-test: I = 6.84, C = 8.71). Women in the intervention group experienced a significant improvement in mood (BMIS) (Baseline: I = 48.63, C = 50.98, Post-test: I = 52.39, C = 51.92) over the two week period. However, there was no significant reduction or difference in the PSI and STAI in both groups. Similarly, O’Higgins et al. [57] reported a small reduction in STAI scores for both intervention and control group however scores of both groups remain markedly higher than the non-depressed group.
Women’s experiences of mother-led infant massage
Unequivocal outcomes relating to the experiences of women were evident in three studies [53,55,58]. All three studies reported increased maternal satisfaction levels during infant massage owing to positive cues received from infants i.e. smiling and eye contact. Additionally, structured class settings, calming atmospheres, engaging instructors and peer support contributed positively to maternal satisfaction levels [53,55]. Women appreciated the special time infant massage provided them:
“I use infant massage to get some time for just the two of us, well actually, we spend all day together, but during the massage, I pay close attention to her" [55, p.494].
“I feel that the more frequent I do the massage for baby, the closer I am with baby”[53, p.192].
Women also reported a reduction in feelings of guilt and an opportunity to experience calm in addition to increased self-confidence and self-esteem.
“I felt like I was able to soothe her and that made me more confident in my role as a mother” [55, p. 494].
“My baby is more calm and relaxed, slept longer at night” [53, p. 192].
Improvements in mother-infant interactions were also noted along with feelings of strengthened attachment. Compellingly:
“I felt a loss of attachment to my baby, which I believe other mothers have, but somehow it felt like I resumed it again, in a way, while I was practicing infant massage” [55 p. 494].
“I get more attached to the baby because when I did the massage with baby, I talked to baby and have eye contact with him… felt the bonding is there” [53 p. 192].
Women appreciated learning new skills in relation to caring for their baby and observing baby’s cues.
“Sometimes baby refused, see his mood, I would stop, maybe he wanted milk, sleep or not comfortable, already know his cue” [53 p. 192].
Women reported the importance of spousal support to attend baby massage and acquiring peer support at the group.
“My older child is quite active, concerned he would disturb baby, my husband would help to look after the older child while I did baby massage” [53 p. 192].
“The best thing is, able to meet new people, other babies, exchange experience” [53 p. 192].
Overall these interpretations suggest the potentially positive and meaningful effect infant massage can have on women and the positive influence it can have on maternal mood, confidence, self-efficacy and mother-infant interactions.
The effects of mother-led infant massage on the mother-infant relationship
Although the effects of infant massage on symptoms of maternal postnatal depression is the primary aim of this review, it is important to acknowledge the additional benefits of infant massage that were identified. Women who attended infant massage classes reported more meaningful interactions with their infants [55].
“It was a good way to communicate, she did not have a lot of facial expressions, I knew when she was content”[55 p. 494].
“I see that she loves it, she laughs and smiles a lot” [55 p. 495].
As reported by Onosawa et al. [58], mother-infant interactions significantly improved for those practicing infant massage. Results include maternal response characterised by “warm to cold”; Baseline: Intervention (I) = 3.2, Control (C) = 3.2 and “non-intrusive to intrusive”; Baseline: I = 3.5, C = 4.0 vs post-intervention “warm to cold” I = 3.6, C = 3.2 and “non-intrusive to intrusive” I = 4.5, C = 3.2. Infant responses also demonstrated improvements in the overall interaction, with intervention group exhibiting substantially better results than the control group in the categories “attentive to non-attentive” Baseline: I = 1.3, C = 2.0 vs. final session: I = 3.0, C = 2.2; “lively to inert” Baseline: I = 2.0, C = 2.7 vs. final session: I = 4.0, C = 2.7, “happy to distressed” Baseline: I = 2.0, C = 3.0 vs. final session: I = 4.5. C = 3.5. Additionally, the longstanding benefits of infant massage was conveyed by O’Higgins et al. [57] where there was a statistically significant improvement in infant performance in interaction in the massage group at one year. Furthermore, Oswalt and Biasini [58], demonstrated a higher level of parent-child dysfunction for mothers with HIV in their control group compared to the massage group. Also, mothers with HIV in the intervention group displayed improved feelings about physical contact with their baby [58].
Lastly, infant massage has additional benefits for infants. Infants who experienced infant massage with their mother tended to have higher growth measurements [58], experienced fewer night arousals [59] and improved temperaments [57].
Discussion
The aim of this systematic review was to examine the effectiveness of infant massage on symptoms of maternal postnatal depression. The findings were categorised under three themes; the effects of infant massage on symptoms of postnatal depression, women’s experiences of infant massage and additional benefits of infant massage. All eight included studies demonstrated a reduction in depressive symptoms in mothers using infant massage compared to those who received routine postnatal care, despite the various types of research and sample sizes used.
The difficulties experienced by women during their transition to motherhood is widely documented particularly in the context of expectation versus reality when becoming a mother [1,75]. Should these expectations not be realised, it may lead to feelings of inadequacy, guilt and failure, whilst a lack of awareness of psychological issues and insight into normal emotions after birth can shadow symptoms of PND [1]. Although all women are at risk of PND, many predictors do exist [76]. PHNs are ideally placed to identify women at risk of PND[450] and although PHNs are not frequently linked with women in the antenatal period, they visit women within 72 hours of discharge from hospital, thus can recognise women at risk of or experiencing symptoms of PND from an early stage. It is documented that women experiencing PND have challenges interacting with their infant [77]. Such challenges can result in adverse outcomes for both mother and baby. These include deteriorating mental and physical wellbeing for the mother [78] with an additional broad range of developmental issues for the infant if left undetected and untreated [77,79]. Infant massage classes provided over a number of weeks by a trained instructor can provide structured support for the mother-infant dyad, concentrating particularly on meaningful mother-infant interaction and provision of social support [53,55–57] This review demonstrated the positive effect infant massage may have on symptoms of postnatal depression [52–59], therefore the promotion of a PHN-led intervention such as infant massage may provide a blend of social and professional support which advocates for positive maternal wellbeing and positive parent-infant interactions.
Both formal and informal support can positively influence a woman’s mental health and self-efficacy when delivered appropriately [80]. In this review, women appreciated peer-support in infant massage classes when exchanging experiences, along with knowledgeable and informative instructors [53,55,58]. Women reported enhanced feelings of attachment, improved feelings of closeness to their baby and a sense of achievement in recognising their baby’s desires and dislikes. Low levels of maternal self-confidence and increased stress levels are common in new mothers, particularly first-time mothers [81]. PHN-led infant massage may help to relieve such symptoms using its two pronged approach of professional support and peer-support, aspiring to empower women [82].
In addition to reduced symptoms of PND, improved mother-infant interactions was observed in women using infant massage [55–56], with habitual infant interactions at one year [57]. Oswalt and Biasini [58], also reported a lower level of parent-child dysfunction in women who attended infant massage. This is significant because a correlation exists between maternal mental health and child health outcomes [83]. Delayed developmental milestones [84] and a woman’s inability to recognise their infant’s needs [85] can exist in women experiencing mental health issues. Child development theorists advocate that all basic needs of a child must be met [86] in addition to consistent love and affection in order to become emotionally secure [87]. Thus, it is essential that women and infants are cared for as a dyad so that appropriate services are engaged to ensure the best possible outcomes [88]. A PHN-led infant massage class may be a cost-effective solution to enhance mother-infant relations as women would have an opportunity to learn infant communication and could be supported to do so in a safe and welcoming environment. However, despite consistent research findings, there is insufficient evidence of infant massage interventions in healthcare policy [23–25].
The Irish Specialist Perinatal Mental Health Services Model of Care [25] was introduced in 2017 and acknowledged the role of primary care in the screening and the referral of women at risk of PND and recognised the ideal position of PHNs. Although further educational training for PHNs in perinatal mental health has been provided online, further developments have not occurred to implement PHN-led interventions. The results of this review suggests that PHN-led infant massage classes may be a cost effective means of providing both social and professional support to mothers and may in fact contribute to a reduction in symptoms of PND while promoting positive mother-infant interactions. Indeed some areas have implemented such initiatives already, however, they are not widespread. The National Health Service (NHS) Highlands “Infant Massage Instruction Good Practice Guidelines” [89], are the only clinical guidelines found incorporating infant massage. Nevertheless, the struggle in integrating mental health and community healthcare services globally is evident [90,91]. Reduced staffing levels, inadequate resource provision and negative attitudes of healthcare professionals are well known barriers which prohibit the implementation of interventions in primary care [92]. Furthermore time constraints, knowledge and skill deficits and professional confidence in dealing with perinatal mental health is echoed in two studies examining barriers to sufficient perinatal mental health care provision by PHNs [2,49]. The National Maternity Strategy 2016–2026 [24] called for better integration of mental healthcare with primary care while the Slaintecare Report [93] recommended adequately funded child health and wellbeing services in accordance with the National Healthy Childhood Programme [94] to support parents appropriately and ensure every child has the best start to life [94]. Alas, completed and integrated rollout is prolonged.
Limitations
To the best of the review team’s knowledge, this is the first systematic review to examine the effects of infant massage on symptoms of maternal postnatal depression however the findings should be considered in line with the following limitations. Small sample sizes inhibited clear outcomes and a lack of qualitative studies limits the applicability of results. The inclusion of studies published only in the English language has potentially introduced a bias. Furthermore, as the primary researcher is an International Association of Infant Massage Instructor and a Public Health Nurse what was considered relevant to the research question may be influenced by perspective and training.
Implications for practice
Clinical guidelines for the implementation of infant massage in primary care do not exist in Ireland and appear scarce worldwide. The NHS Highland “Infant Massage Instruction Good Practice Guidelines” [89] recognise the positive impact infant massage can have on the wellbeing of both women and infants. SIGN [22] advocate for additional interventions for women and infants experiencing poor attachment and interventions should be particularly aimed at the mother-infant relationship in an effort to manage symptoms of PND. The implementation of clinical practice guidelines in Ireland incorporating infant massage could potentially enhance outcomes for mothers.
Recommendations for future research
This review acknowledges a paucity of research on the effect of infant massage on symptoms of maternal postnatal depression. Research on the effects of infant massage on symptoms of maternal postnatal depression is primarily quantitative. Further qualitative studies capturing women’s experiences of infant massage and its impact on their psychological wellbeing would be beneficial in order to conceptualise women’s experiences in relation to infant massage, implement further infant massage courses in primary care and to ensure adequate numbers of staff are trained to provide this service. In turn, further evidence may trigger the inclusion of interventions such as infant massage in primary care policies, particularly within the Public Health Nursing service.
Conclusion
This systematic review examined the effectiveness of infant massage on symptoms of maternal postnatal depression. Previous research has concentrated on the effects of infant massage on bonding and attachment and the physiological advantages of infant massage on infants, rather than the direct impact of infant massage on women. Infant massage may reduce symptoms of depression, improve maternal sleep quality, reduce anxiety and stress levels, reduce feelings of guilt and improve maternal confidence, satisfaction and attitude towards physical contact with their infant. The promotion of an infant massage intervention in the Public Health Nursing service would advocate a more proactive approach to perinatal mental health and potentially improve outcomes for both women and their infants.
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