Measurement and conceptualization of maternal PTSD following childbirth: Psychometric properties of the City Birth Trauma Scale-French Version (City BiTS-F)

A two-item screening of maternal or infant perceived life threat during childbirth prospectively associated with childbirth-related posttraumatic stress symptoms up to six months postpartum: two observational longitudinal studies

Objective

This study investigated prospective relationships between the perception of threat to one's own life or to that of one's infant during childbirth and maternal childbirth-related posttraumatic stress symptoms (CB-PTSS) and probable childbirth-related posttraumatic stress disorder (CB-PTSD) in a community and a community and an emergency cesarean section (ECS) sample.

Methods

Study samples included 72 mothers from a community sample and 75 mothers after emergency cesarean section. Perceived maternal and infant life threat were assessed at ≤1 week postpartum. Maternal CB-PTSS and probable CB-PTSD were assessed with validated questionnaires up to 6 months postpartum. Covariates were extracted from hospital records. Secondary data analysis with logistic and linear regressions was performed.

Results

Globally, mothers were significantly more likely to perceive their infant's life to be threatened, rather than their own. Both types of perceived threat were prospectively but differentially associated with maternal CB-PTSS and probable CB-PTSD at 4-6 weeks and 6 months postpartum. Statistical significance was set at p<0.05.

Conclusion

The type of perceived threat differently influences maternal CB-PTSS and probable CB-PTSD up to 6 months postpartum. These results may be the basis for the development of a short screening instrument after traumatic childbirth in clinical settings. Future studies need to assess the psychometric properties and acceptability of such a brief screening tool.

Translation and Validation of the City Birth Trauma Scale With Lithuanian Postpartum Women: Findings and Initial Results

The childbirth experience and birth-related trauma are influenced by various factors, including country, healthcare system, a woman's history of traumatic experiences, and the study's design and instruments. This study aimed to validate the City Birth Trauma scale for Lithuanian women post-childbirth. Using a descriptive, cross-sectional survey with a nonprobability sample of 794 women who gave birth from 2020-2021, the study found good validity, reliability, and presented the prevalence of birth-related stress symptoms. A bifactor model, consisting of a general birth trauma factor and two specific factors for birth-related symptoms and general symptoms of PTSD, showed the best model fit. The Lithuanian version of the City Birth Trauma scale can be effectively used in research and clinical practice to identify birth-related trauma symptoms in women after giving birth.

Swiss cohort on Traumatic Childbirth and Health (SwiTCH): protocol for a prospective, population-based cohort study on parents' mental health from pregnancy to one year postpartum

INTRODUCTION

Approximately 4%-5% of mothers develop childbirth-related post-traumatic stress disorder (CB-PTSD) and approximately 12.3% of mothers develop some CB-PTSD symptoms (CB-PTSS). To date, there is a dearth of studies on fathers and other coparents. Parental CB-PTSD and CB-PTSS may have a negative impact not only on the parents but also on the infant. Understanding risk and protective factors of CB-PTSD for both parents and its consequences on the family is key to detecting or anticipating it, to developing interventions aimed at reducing its detrimental effects and to supporting parents.

METHODS AND ANALYSIS

This study protocol describes an observational, population-based study, consisting of a longitudinal prospective cohort with online surveys at four time points. The population of interest consist of women, in the third trimester of pregnancy or at 6-12 weeks postpartum, and their partner/coparent, who will give birth or gave birth in the French-speaking part of Switzerland. The target sample size is 300-500 women and a proportional number of partners. The primary outcome of this study is the prevalence of CB-PTSD and CB-PTSS. The secondary outcomes focus on: (1) the impact of CB-PTSD and CB-PTSS on the marital and coparental relationships, the bonding with the infant, parental burnout and healthcare seeking behaviours, (2) the role of the childbirth experience in the development of CB-PTSD and CB-PTSS and (3) the social and economic determinants of CB-PTSD and CB-PTSS.

ETHICS AND DISSEMINATION

Ethical approval was granted by the human research ethics committee of the Canton de Vaud (study number 2022-00284). All study participants signed an informed consent form. Dissemination of results will occur via national and international conferences, in peer-reviewed journals, public conferences and social media.

TRIAL REGISTRATION NUMBER

NCT05865704.

Factors Associated with Obstetric Violence Implicated in the Development of Postpartum Depression and Post-Traumatic Stress Disorder: A Systematic Review

Postpartum depression (PPD) and post-traumatic stress disorder (PTSD) continue to be prevalent, and disabling women with mental disorders and obstetric violence (OV) may be a trigger for them, particularly during maternity. We aimed to analyze the association between manifestations of OV with the development of PPD and PTSD during pregnancy, childbirth, and postpartum. This systematic review was based on the PRISMA 2020 statement and explored original articles published between 2012 and 2022. A total of 21 articles were included in the analysis, and bias was assessed by the Effective Public Health Practice Project's Quality Assessment Tool. The highest rate of PPD symptoms appeared in women under 20 years old, multiparous, and with low education levels. The higher PTSD ratio was present in women under 35 years, primiparous, and with secondary studies. The mode of labor (instrumental or C-section) was identified as a major risk factor of PPD, being mediator variables of the informal coercion of health professionals and dissatisfaction with newborn healthcare. Instead, partner support during labor and high satisfaction with healthcare during birth were protective factors. Regarding PTSD, the mode of labor, several perineal tears, and the Kristeller technique were risk factors, and loss of autonomy and coercion modulated PTSD symptomatology. The protective factors for PTSD were respect for the labor plan, adequate communication with health professionals, social support during labor, and the skin-to-skin procedure. This systematic review provides evidence that OV contributes to PPD and PTSD, being important in developing standardized tools to prevent it. This study recommends changes in maternal healthcare policies, such as individualized healthcare assistance, humanized pregnancy protocols, and women's mental health follow-up, and improvements in the methodological quality of future research.

Maternal childbirth-related posttraumatic stress symptoms, bonding, and infant development: a prospective study

BACKGROUND

Childbirth-related posttraumatic stress symptoms (CB-PTSS) including general symptoms (GS, i.e., mainly negative cognitions and mood and hyperarousal symptoms) and birth-related symptoms (BRS, i.e., mostly re-experiencing and avoidance symptoms) may disrupt mother-infant bonding and infant development. This study investigated prospective and cross-sectional associations between maternal CB-PTSS and mother-infant bonding or infant development (language, motor, and cognitive).

METHOD

We analysed secondary data of the control group of a randomised control trial (NCT03576586) with full-term French-speaking mother-infant dyads (n = 55). Maternal CB-PTSS and mother-infant bonding were assessed via questionnaires at six weeks (T1) and six months (T2) postpartum: PTSD Checklist for DSM-5 (PCL-5) and Mother-Infant Bonding Scale (MIBS). Infant development was assessed with the Bayley Scales of Infant Development at T2. Sociodemographic and medical data were collected from questionnaires and medical records. Bivariate and multivariate regression were used.

RESULTS

Maternal total CB-PTSS score at T1 was associated with poorer bonding at T2 in the unadjusted model (B = 0.064, p = 0.043). In the adjusted model, cross-sectional associations were found at T1 between a higher total CB-PTSS score and poorer bonding (B = 0.134, p = 0.017) and between higher GS and poorer bonding (B = 0.306, p = 0.002). Higher BRS at T1 was associated with better infant cognitive development at T2 in the unadjusted model (B = 0.748, p = 0.026).

CONCLUSIONS

Results suggest that CB-PTSS were associated with mother-infant bonding difficulties, while CB-PTSS were not significantly associated with infant development. Additional studies are needed to increase our understanding of the intergenerational consequences of perinatal trauma.

Perineal tear and childbirth-related posttraumatic stress: A prospective cohort study

OBJECTIVE

Quantitative studies examining the occurrence of childbirth-related posttraumatic stress disorder (CB-PTSD) following severe perineal rupture are lacking. The objective of this population-based study was to investigate the prospective associations between the degree of perineal tear during childbirth and CB-PTSD symptoms, when adjusting for known covariates (maternal age, years of school education, premature birth, and parity). We hypothesized that women with different degrees of perineal tear will differ regarding (1) the level of CB-PTSD symptoms at 8 weeks and 2 years postpartum and (2) the rate of change in CB-PTSD symptoms from 8 weeks to 2 years postpartum.

METHOD

Secondary data analysis from the Akershus Birth Cohort, a large population-based prospective cohort study using self-report questionnaires and hospital record data.

RESULTS

The degree of perineal tear was significantly associated with CB-PTSD symptoms at 8 weeks and 2 years postpartum. However, the degree of perineal tear was not significantly associated with the change in CB-PTSD symptoms over time. Similar patterns were found for both total CB-PTSD symptoms as well as for avoidance and intrusion symptoms only.

CONCLUSION

Results seem to support a dose-response model, suggesting that the higher the severity of the perineal tear, the higher the posttraumatic morbidity.

The latent factor structure and assessment of childbirth-related PTSD: psychometric characteristics of the City Birth Trauma Scale-Persian version (City-BiTS-P)

Objective

There is no validated Persian questionnaire to measure childbirth-related PTSD (CB-PTSD) symptoms. To cover this gap, the present study aimed to provide a Persian version of the City Birth Trauma Scale (CityBiTS-Pr) and to determine its psychometric properties.

Method

Since this is a cross-sectional study, sampling was done using a convenient sampling method. In total, 300 Persian-speaking women took part in this study and completed the City Birth Trauma Scale (CityBiTS-Pr), the Posttraumatic Stress Disorder Checklist for DSM-5 (PCL-5), the Edinburgh Postnatal Depression Scale (EPDS), the Anxiety Subscale of the Depression, and the Anxiety and Stress Scale (DASS-21). In addition, sociodemographic information was completed. A confirmatory factor analysis of two- and four-factor models and a bi-factor model with a general factor and two specific factors were tested. Fit indices were calculated for all three models. Reliability, convergent, divergent, and discriminant validity also were examined. R v4.2.1 and SPSS v23 were used for data analysis.

Results

The four-factor model comprised intrusion, avoidance, negative cognitions and mood, and hyper-arousal showed a poor fit. The two-factor model composed of "birth-related symptoms" and "general symptoms" provided the best results based on all fit indices. The bi-factor result was relatively good, but the loadings indicated that the general symptoms factor is not well defined.

Conclusion

The Persian version of the City Birth Trauma Scale (CityBiTS-Pr) is a valid and reliable questionnaire for evaluating postpartum PTSD.

'connEcted caesarean section': creating a virtual link between MOthers and their infanTs to ImprOve maternal childbirth experieNce - study protocol for a PILOT trial (e-motion-pilot)

INTRODUCTION

One-third of mothers rate their childbirth as traumatic. The prevalence of childbirth-related post-traumatic stress disorder (CB-PTSD) is 4.7%. Skin-to-skin contact is a protective factor against CB-PTSD. However, during a caesarean section (CS), skin-to-skin contact is not always feasible and mothers and infants are often separated. In those cases, there is no validated and available solution to substitute this unique protective factor. Based on the results of studies using virtual reality and head-mounted displays (HMDs) and studies on childbirth experience, we hypothesise that enabling the mother to have a visual and auditory contact with her baby could improve her childbirth experience while she and her baby are separated. To facilitate this connection, we will use a two-dimensional 360° camera filming the baby linked securely to an HMD that the mother can wear during the end of the surgery.

METHODS AND ANALYSIS

This study protocol describes a monocentric open-label controlled pilot trial with minimal risk testing the effects of a visual and auditory contact via an HMD worn by the mother airing a live video of her newborn compared with treatment-as-usual in 70 women after CS. The first 35 consecutive participants will be the control group and will receive the standard care. The next 35 consecutive participants will have the intervention. The primary outcome will be differences in maternal childbirth experience (Childbirth Experience Questionnaire 2) at 1-week postpartum between the intervention and control groups. Secondary outcomes will be CB-PTSD symptoms, birth satisfaction, mother-infant bonding, perceived pain and stress during childbirth, maternal anxiety and depression symptoms, anaesthesiological data and acceptability of the procedure.

ETHICS AND DISSEMINATION

Ethics approval was granted by the Human Research Ethics Committee of the Canton de Vaud (study number 2022-00215). Dissemination of results will occur via national and international conferences, peer-reviewed journals, public conferences and social media.

TRIAL REGISTRATION NUMBER

NCT05319665.

Tackling childbirth-related intrusive memories with a single-session behavioural intervention involving a visuospatial task: protocol for a single-blind, waitlist-controlled randomised trial

INTRODUCTION

Approximately 12.3% of mothers experience childbirth-related post-traumatic stress symptoms (CB-PTSS). However, evidence-based interventions to treat CB-PTSS are lacking. Intrusive memories (IM), a key CB-PTSS, are distressing and can trigger other PTSS by reliving the traumatic event. Emerging evidence shows that a behavioural intervention involving a visuospatial task (BI-VT) can reduce the number of IM and PTSS, supposedly by interfering with the reconsolidation of the trauma memory. This study aims to test the efficacy of a single-session BI-VT targeting IM to reduce the number of childbirth-related (CB-)IM and PTSS, in comparison to a waitlist control group (WCG).

METHODS AND ANALYSIS

In this multicentre, single-blind, randomised controlled trial being undertaken at one regional and one university hospital in Switzerland, 60 participants will be allocated to the Immediate Intervention Group (IIG), receiving the immediate intervention on day 15, and 60 participants to the WCG receiving the delayed intervention on day 30. All participants will report their CB-IM during the 2 weeks preimmediate and postimmediate intervention in diaries. The IIG will additionally report their CB-IM over weeks 5 and 6 postimmediate intervention. Self-report questionnaires will assess CB-PTSS at 2 weeks preimmediate and postimmediate intervention in both groups, and at 6 weeks postimmediate intervention in the IIG. A feedback questionnaire will evaluate the intervention acceptability. The primary outcome will be group differences in the number of CB-IM between the 2 weeks preimmediate and postimmediate intervention. Secondary outcomes will be CB-PTSS at 2 and 6 weeks postimmediate intervention, the number of CB-IM at weeks 5 and 6 postimmediate intervention, and intervention acceptability.

ETHICS AND DISSEMINATION

Ethical approval was granted by the Human Research Ethics Committee of the Canton of Vaud (study number 202200652). Participants will provide an informed consent before study participation. Results will be presented in peer-reviewed journals and at conferences.

TRIAL REGISTRATION NUMBER

NCT05381155.

Patient-reported outcome measures evaluating postpartum maternal health and well-being: a systematic review and evaluation of measurement properties

OBJECTIVE

This study aimed to systematically review and evaluate postpartum health and well-being using patient-reported outcome measures across all domains of postpartum health using the COnsensus-based Standards for the selection of health Measurement INstruments guidelines.

DATA SOURCES

Based on a preprepared published protocol, a systematic search of PubMed, Embase, and CINAHL was undertaken to identify patient-reported outcome tools. The protocol was registered with the International Prospective Register of Systematic Reviews (registration number CRD42021283472), and this work followed the COnsensus-based Standards for the selection of health Measurement INstruments guidelines for systematic reviews.

STUDY ELIGIBILITY CRITERIA

Studies eligible for inclusion included those that assessed a patient-reported outcome measure examining postpartum women's health and well-being with no limitation on the domain. The included studies aimed to evaluate one or more measurement properties of the patient-reported outcome measure.

METHODS

Data extraction and the methodological assessment of the quality of the patient-reported outcome measure were assessed by 2 reviewers independently based on content validity, structural validity, internal consistency, cross-cultural validity or measurement invariance, reliability, measurement error, hypotheses testing for construct validity, and responsiveness, as defined by the COnsensus-based Standards for the selection of health Measurement INstruments. The standard used for content validity were the domains of importance to women in postpartum health and well-being proposed by the International Consortium for Health Outcomes Measurement. The outcome domains for patient-reported health status include mental health, health-related quality of life, incontinence, pain with intercourse, breastfeeding, and motherhood role transition. The quality of the methods was rated an overall rating of results, awarded a level of evidence, and assessed using the Grading of Recommendations, Assessment, Development, and Evaluations assessment tool, and a level of recommendation was awarded for each tool.

RESULTS

There were 10,324 studies identified in the initial search, of which 29 tools were identified from 41 eligible studies included in the review. Moreover, 21 tools were awarded an "A" grading of recommendation for use as a patient-reported outcome measure in postpartum women following the COnsensus-based Standards for the selection of health Measurement Instruments standards. Of the "A"-rated tools, 17 (80%) examined the domain of mental health, 5 examined health-related quality of life, 4 examined breastfeeding, and 6 represented role transition. No "A"-recommended tool examined postpartum incontinence or pain with intercourse. Of note, 3 tools did not cover domains as recommended by the International Consortium for Health Outcomes Measurement, and 5 tools were awarded a "B" rating, requiring more research before their recommendation for use. Here, most tools were awarded very low-moderate Recommendations, Assessment, Development, and Evaluations level of evidence. Moreover, the highest quality tool identified that covered multiple domains of postpartum health and well-being was the women's Postpartum Quality-of-Life Questionnaire.

CONCLUSION

This systematic review identified the best performing patient-reported outcome measures to assess postpartum health and well-being. No individual tool covers all 6 domains of postpartum health and well-being. Here, the highest quality tool found that covered multiple domains of postpartum health and well-being was the Postpartum Quality-of-Life Questionnaire. The Postpartum Quality-of-Life Questionnaire captures 4 of 6 domains of importance to women, with domains of incontinence and sexual health unevaluated. The domain of urinary incontinence was represented by the International Consultation on Incontinence Questionnaire Short Form, which requires further psychometric analysis before its recommended use. Postpartum sexual health, not represented by any tool, necessitates the development of a patient-reported outcome measure. A postpartum patient-reported outcome measure would be best provided by a combination of tools; however, further research is required before its implementation.

Maternal Mental Health Symptom Profiles and Infant Sleep: A Cross-Sectional Survey

The distinct influence of different, but comorbid, maternal mental health (MMH) difficulties (postpartum depression, anxiety, childbirth-related posttraumatic stress disorder) on infant sleep is unknown, although associations between MMH and infant sleep were reported. This cross-sectional survey aimed: (1) to examine associations between MMH symptoms and infant sleep; (2) to extract data-driven maternal MMH symptom profiles from MMH symptoms; and (3) to investigate the distinct influence of these MMH symptom profiles on infant sleep when including mediators and moderators. Mothers of 3–12-month-old infants (n = 410) completed standardized questionnaires on infant sleep, maternal perception of infant negative emotionality, and MMH symptoms. Data was analyzed using: (1) simple linear regressions; (2) factor analysis; and (3) structural equation modelling. MMH symptoms were all negatively associated with nocturnal sleep duration and only postpartum depression and anxiety symptoms were associated with night waking. Three MMH symptom profiles were extracted: depressive, anxious, and birth trauma profiles. Maternal perception of infant negative emotionality mediated the associations between the depressive or anxious profiles and infant sleep but only for particular infant ages or maternal education levels. The birth trauma profile was not associated with infant sleep. The relationships between MMH and infant sleep may involve distinct mechanisms contingent on maternal symptomatology.

The Lausanne Infant Crying Stress Paradigm: Validation of an Early Postpartum Stress Paradigm with Women at Low vs. High Risk of Childbirth-Related Posttraumatic Stress Disorder

Stress reactivity is typically investigated in laboratory settings, which is inadequate for mothers in maternity settings. This study aimed at validating the Lausanne Infant Crying Stress Paradigm (LICSP) as a new psychosocial stress paradigm eliciting psychophysiological stress reactivity in early postpartum mothers (n = 52) and to compare stress reactivity in women at low (n = 28) vs. high risk (n = 24) of childbirth-related posttraumatic stress disorder (CB-PTSD). Stress reactivity was assessed at pre-, peri-, and post-stress levels through salivary cortisol, heart rate variability (high-frequency (HF) power, low-frequency (LF) power, and LF/HF ratio), and perceived stress via a visual analog scale. Significant time effects were observed for all stress reactivity outcomes in the total sample (all p < 0.01). When adjusting for perceived life threat for the infant during childbirth, high-risk mothers reported higher perceived stress (p < 0.001, d = 0.91) and had lower salivary cortisol release (p = 0.023, d = 0.53), lower LF/HF ratio (p < 0.001, d = 0.93), and marginally higher HF power (p = 0.07, d = 0.53) than low-risk women. In conclusion, the LICSP induces subjective stress and autonomic nervous system (ANS) reactivity in maternity settings. High-risk mothers showed higher perceived stress and altered ANS and hypothalamic-pituitary-adrenal reactivity when adjusting for infant life threat. Ultimately, the LICSP could stimulate (CB-)PTSD research.

Assessment of Childbirth-Related PTSD: Psychometric Properties of the German Version of the City Birth Trauma Scale

Background: About 3-4% of women in community samples suffer from childbirth-related posttraumatic stress disorder (PTSD). Surprisingly, the recently developed City Birth Trauma Scale (City BiTS) was the first diagnostic tool for childbirth-related PTSD covering DSM-5 criteria for PTSD. Since no questionnaire on childbirth-related PTSD is available in German, we aimed to validate a German translation of the City BiTS and to provide information on its psychometric properties. Methods: A community sample of 1,072 mothers completed an online survey, which included questions on sociodemographic and obstetric characteristics, the German version of the City BiTS, the Impact of Event Scale-Revised (IES-R), the PTSD Checklist for DSM-5 (PCL-5), Edinburgh Postnatal Depression Scale (EPDS), and the anxiety subscale of the Depression, Anxiety, and Stress Scale (DASS-Anxiety). Results: Exploratory factor analysis (EFA) on a random split-half sample confirmed the previously reported two-factorial structure of the City BiTS. The factors "Childbirth-related symptoms" and "General symptoms" explained about 53%, 52% of variance. Internal consistency was good to excellent for the subscales and the total scale (Cronbach's Alpha = 0.89-0.92). In a confirmatory factor analysis (CFA) in the holdout sample the two-factorial solution reached the best model fit out of three models. Correlation analyses showed convergent validity of the City BiTS (total scale and subscales) with the IES-R and PCL-5 and divergent validity with the EPDS and the DASS-Anxiety. Limitations: Data were acquired in a community sample and prevalence rates might not be representative for mothers of high-risk groups, e.g., after preterm birth. Conclusions: The German version of the City BiTS is the first German questionnaire which allows to assess symptoms of childbirth-related PTSD according to DSM-5 criteria. Besides an improvement in clinical routine it will help to make data on prevalence of childbirth-related PTSD internationally comparable. In addition, this work provides a basis to assess childbirth-related PTSD in studies conducted with a longitudinal study design or in high-risk samples.