Preventing postnatal depression: a causal mediation analysis of a 20-year preconception cohort.

Postnatal depression (PND) is common and predicts a range of adverse maternal and offspring outcomes. PND rates are highest among women with persistent mental health problems before pregnancy, and antenatal healthcare provides ideal opportunity to intervene. We examined antenatal perceived social support as a potential intervention target in preventing PND symptoms among women with prior mental health problems. A total of 398 Australian women (600 pregnancies) were assessed repeatedly for mental health problems before pregnancy (ages 14-29 years, 1992-2006), and again during pregnancy, two months postpartum and one year postpartum (2006-2014). Causal mediation analysis found that intervention on perceived antenatal social support has the potential to reduce rates of PND symptoms by up to 3% (from 15 to 12%) in women with persistent preconception symptoms. Supplementary analyses found that the role of low antenatal social support was independent of concurrent antenatal depressive symptoms. Combined, these two factors mediated up to more than half of the association between preconception mental health problems and PND symptoms. Trialling dual interventions on antenatal depressive symptoms and perceived social support represents one promising strategy to prevent PND in women with persistent preconception symptoms. Interventions promoting mental health before pregnancy may yield an even greater reduction in PND symptoms by disrupting a developmental cascade of risks via these and other pathways. This article is part of the theme issue 'Multidisciplinary perspectives on social support and maternal-child health'.

Antidepressant treatment for postnatal depression.

BACKGROUND: Depression is one of the most common morbidities of the postnatal period. It has been associated with adverse outcomes for women, children, the wider family and society as a whole. Treatment is with psychosocial interventions or antidepressant medication, or both. The aim of this review is to evaluate the effectiveness of different antidepressants and to compare their effectiveness with placebo, treatment as usual or other forms of treatment. This is an update of a review last published in 2014. OBJECTIVES: To assess the effectiveness and safety of antidepressant drugs in comparison with any other treatment (psychological, psychosocial, or pharmacological), placebo, or treatment as usual for postnatal depression. SEARCH METHODS: We searched Cochrane Common Mental Disorders's Specialized Register, CENTRAL, MEDLINE, Embase and PsycINFO in May 2020. We also searched international trials registries and contacted experts in the field. SELECTION CRITERIA: We included randomised controlled trials (RCTs) of women with depression during the first 12 months postpartum that compared antidepressant treatment (alone or in combination with another treatment) with any other treatment, placebo or treatment as usual. DATA COLLECTION AND ANALYSIS: Two review authors independently extracted data from the study reports. We requested missing information from study authors wherever possible. We sought data to allow an intention-to-treat analysis. Where we identified sufficient comparable studies we pooled data and conducted random-effects meta-analyses. MAIN RESULTS: We identified 11 RCTs (1016 women), the majority of which were from English-speaking, high-income countries; two were from middle-income countries. Women were recruited from a mix of community-based, primary care, maternity and outpatient settings. Most studies used selective serotonin reuptake inhibitors (SSRIs), with treatment duration ranging from 4 to 12 weeks. Meta-analysis showed that there may be a benefit of SSRIs over placebo in response (55% versus 43%; pooled risk ratio (RR) 1.27, 95% confidence interval (CI) 0.97 to 1.66); remission (42% versus 27%; RR 1.54, 95% CI 0.99 to 2.41); and reduced depressive symptoms (standardised mean difference (SMD) -0.30, 95% CI -0.55 to -0.05; 4 studies, 251 women), at 5 to 12 weeks' follow-up. We were unable to conduct meta-analysis for adverse events due to variation in the reporting of this between studies. There was no evidence of a difference between acceptability of SSRI and placebo (27% versus 27%; RR 1.10, 95% CI 0.74 to 1.64; 4 studies; 233 women). The certainty of all the evidence for SSRIs was low or very low due to the small number of included studies and a number of potential sources of bias, including high rates of attrition. There was insufficient evidence to assess the efficacy of SSRIs compared with other classes of antidepressants and of antidepressants compared with other pharmacological interventions, complementary medicines, psychological and psychosocial interventions or treatment as usual. A substantial proportion of women experienced adverse effects but there was no evidence of differences in the number of adverse effects between treatment groups in any of the studies. Data on effects on children, including breastfed infants, parenting, and the wider family were limited, although no adverse effects were noted. AUTHORS' CONCLUSIONS: There remains limited evidence regarding the effectiveness and safety of antidepressants in the management of postnatal depression, particularly for those with more severe depression. We found low-certainty evidence that SSRI antidepressants may be more effective in treating postnatal depression than placebo as measured by response and remission rates. However, the low certainty of the evidence suggests that further research is very likely to have an important impact on our effect estimate. There is a continued imperative to better understand whether, and for whom, antidepressants or other treatments are more effective for postnatal depression, and whether some antidepressants are more effective or better tolerated than others. In clinical practice, the findings of this review need to be contextualised by the extensive broader literature on antidepressants in the general population and perinatal clinical guidance, to inform an individualised risk-benefit clinical decision. Future RCTs should focus on larger samples, longer follow-up, comparisons with alternative treatment modalities and inclusion of child and parenting outcomes.

Hormonal Contraceptive Use and Risk of Attempted and Completed Suicide: a Systematic Review and Narrative Synthesis.

Despite its widespread use, there is conflicting evidence on the association between hormonal contraception and the risk of suicide among women. This review seeks to identify, appraise and synthesize all studies on the association between hormonal contraceptive use and attempted or completed suicide. A systematic review was performed in accordance with PRISMA guidelines. Relevant citations were identified from three bibliographic databases (MEDLINE, EMBASE, and PsycInfo). Cross-sectional, cohort and case control studies were included. Quality of studies was assessed with validated tools, and a narrative synthesis was conducted to summarize study findings. Nine studies reporting on six samples (n = 683,198) were included. Three studies reported data for the association between hormonal contraceptive use and suicide attempts, and five studies reported data on completed suicides. Both protective and adverse associations between hormonal contraception and risk of suicide were identified. The evidence of the association was weakened by low to moderate methodological quality of studies. Our review found there was substantial variability in the relationships reported between hormonal contraceptive use and suicide risk. Going forward, researchers investigating this topic are encouraged to use population-based samples to take efforts to control for important confounding variables. Additional research is also needed to investigate the effects of more recent hormonal contraceptive methods on suicide risk.

Correction to: Is There an Association Between Diet, Physical Activity and Depressive Symptoms in the Perinatal Period? An Analysis of the UPBEAT Cohort of Obese Pregnant Women.

The original version of this article contained an error in one of the author name. The co-author name was published as "Angela Flynn", instead it should be "Angela C. Flynn".

Is There an Association Between Diet, Physical Activity and Depressive Symptoms in the Perinatal Period? An Analysis of the UPBEAT Cohort of Obese Pregnant Women.

INTRODUCTION: Depression is a common morbidity of the perinatal period (during pregnancy and up to one year postpartum). There is evidence for an association between diet and physical activity, and depression in the non-pregnant population but this association has been relatively less explored during the perinatal period; particularly poorly understood is the relationship between specific dietary components and depression. The aim of this study was to explore the association between glycaemic load, saturated fat intake and physical activity and depressive symptoms in a high-risk population of obese pregnant women. METHODS: In a cohort of 1522 women participating in the UPBEAT trial, physical activity, glycaemic load and saturated fat intake were used as predictors of depressive symptoms measured using the Edinburgh Postnatal Depression Scale (EPDS). Measures taken in early pregnancy were used in linear and logistic regression models. Repeated measures at three points during pregnancy and at six months postpartum were utilised in multilevel mixed effects models. Multiple imputation was used to account for missing data. RESULTS: Increased glycaemic load was associated with small increases in levels of depressive symptoms across the perinatal period (adjusted beta coefficient 0.01; 95% CI 0.01,0.02). There was no evidence for an association between reduced physical activity and increased saturated fat intake and increased levels of depressive symptoms. CONCLUSIONS: Glycaemic load may be a useful focus for interventions aiming to optimise the mental health of obese women in the perinatal period.

Disordered personality traits and psychiatric morbidity in pregnancy: a population-based study.

This study aims to investigate the characteristics and mental health status of pregnant women with disordered personality traits. A cross-sectional study of a stratified sample of 545 women attending antenatal booking at a South London maternity service was conducted. Disordered personality traits were assessed using the Standardised Assessment of Personality-Abbreviated Scale (SAPAS). Mental disorders were assessed using the Structured Clinical Interview DSM-IV (SCID). Logistic regression was used to model associations, adjusting for confounders. Complete SAPAS data were collected for over 99% of women (n = 541). The weighted prevalence of elevated disordered personality traits (SAPAS ≥ 3) was 16.2% (95% CI 12.6-20.5). Women with elevated disordered personality traits were younger, less likely to live alone and more likely to report living in insecure accommodation. Among women with elevated disordered personality traits, the most common mental disorders were anxiety disorders (31.4%) and depressive disorders (17.6%). Each extra item endorsed on the SAPAS was associated with an 82% higher odds of meeting criteria for an Axis I mental disorder (adjusted OR 1.82 (1.42-2.33); p < 0.001). Women with elevated disordered personality traits were at significantly increased risk of experiencing thoughts of self-harm (adjusted OR 2.12 (1.33-3.40); p = 0.002). Pregnant women with disordered personality traits are a particularly vulnerable population, with multiple psychosocial problems that are likely to require tailored support to ameliorate future health risks for mother and baby.

Maternal mental health and infant emotional reactivity: a 20-year two-cohort study of preconception and perinatal exposures.

BACKGROUND: Maternal mental health during pregnancy and postpartum predicts later emotional and behavioural problems in children. Even though most perinatal mental health problems begin before pregnancy, the consequences of preconception maternal mental health for children's early emotional development have not been prospectively studied. METHODS: We used data from two prospective Australian intergenerational cohorts, with 756 women assessed repeatedly for mental health problems before pregnancy between age 13 and 29 years, and during pregnancy and at 1 year postpartum for 1231 subsequent pregnancies. Offspring infant emotional reactivity, an early indicator of differential sensitivity denoting increased risk of emotional problems under adversity, was assessed at 1 year postpartum. RESULTS: Thirty-seven percent of infants born to mothers with persistent preconception mental health problems were categorised as high in emotional reactivity, compared to 23% born to mothers without preconception history (adjusted OR 2.1, 95% CI 1.4-3.1). Ante- and postnatal maternal depressive symptoms were similarly associated with infant emotional reactivity, but these perinatal associations reduced somewhat after adjustment for prior exposure. Causal mediation analysis further showed that 88% of the preconception risk was a direct effect, not mediated by perinatal exposure. CONCLUSIONS: Maternal preconception mental health problems predict infant emotional reactivity, independently of maternal perinatal mental health; while associations between perinatal depressive symptoms and infant reactivity are partially explained by prior exposure. Findings suggest that processes shaping early vulnerability for later mental disorders arise well before conception. There is an emerging case for expanding developmental theories and trialling preventive interventions in the years before pregnancy.

Maternal personality traits, antenatal depressive symptoms and the postpartum mother-infant relationship: a prospective observational study.

PURPOSE: Maternal depression has been associated with bonding difficulties and lower maternal sensitivity in observed mother-infant interactions. However, little research has examined the impact of disordered personality traits in mothers on these outcomes. We investigated the association between disordered personality traits in mothers measured during pregnancy and postnatal (a) self-reported bonding with infant; (b) observational mother-infant interactions. METHODS: Five hundred fifty-six women were recruited during early pregnancy and subsequently followed up at mid-pregnancy (approximately 28 weeks' gestation) and when infants were aged approximately 3 months (n = 459). During early pregnancy, data were collected on disordered personality traits (using the Standardised Assessment of Personality Abbreviated Scale) and depressive symptoms (using the Edinburgh Postnatal Depression Scale). At 3 months postpartum, self-reported perceived bonding (using the Postpartum Bonding Questionnaire) were collected. A sub-sample of women additionally provided observational mother-infant interaction data (n = 206) (coded using the Child-Adult Relationship Experimental Index). RESULTS: Higher disordered personality traits was not associated with maternal perceptions of bonding impairment, but was associated with reduced maternal sensitivity during observational mother-infant interactions [adjusted for age, education, having older children, substance misuse prior to pregnancy, infant sex and gestational age: coefficient = - 0.28, 95% CI = - 0.56 to - 0.00, p < 0.05]. After adjusting for depressive symptoms, the association was attenuated [coefficient = - 0.19, 95% CI = - 0.48 to 0.11, p = 0.217]. CONCLUSIONS: Mothers with disordered personality traits did not perceive themselves as having bonding impairments with their infants but were less sensitive during observed interactions, though depressive symptoms attenuated this relationship. Both depression and disordered personality traits need to be addressed to optimize mother-infant interactions.

Patient decision aids for antidepressant use in pregnancy: a pilot randomised controlled trial in the UK.

BACKGROUND: Decision-making regarding antidepressant use in pregnancy is challenging, given the uncertain evidence base on the benefits and risks for women and their children. Patient decision aids (PDAs) can improve shared decision-making for complex health decisions but no evidence-based PDAs exist for antidepressant use in pregnancy. AIM: To assess the feasibility of a full-scale randomised controlled trial (RCT) to evaluate the efficacy of an electronic PDA on antidepressant use in pregnancy. DESIGN & SETTING: A UK-based pilot parallel-group RCT. METHOD: The study recruited women whose clinicians recommended an antidepressant for depression in a current or planned pregnancy, and who were uncertain about antidepressant use while pregnant. Women were recruited via clinician or self-referral, and randomised to online access to the PDA or online access to standard resource list, with primary follow-up at 4 weeks and longer-term follow-up. The primary outcome was protocol feasibility (recruitment target of 50 women and follow-up rate of 80%). Outcome measures for a future full-scale RCT included the decisional conflict scale (DCS). RESULTS: Fifty-one women were recruited with a follow-up rate of 90.2% at 4 weeks. The PDA received good overall satisfaction ratings (mean 4.2/5). Analysis of covariance (ANCOVA) indicated a small improvement in decisional conflict at 4 weeks, accounting for baseline scores (DCS regression coefficient = -3.5, 95% confidence intervals [CI = -12.6 to 5.6]). CONCLUSION: This pilot RCT for an electronic PDA on antidepressant use in pregnancy showed that the study protocol was feasible, with high rates of participant satisfaction among those randomised to the PDA.

The association between prenatal maternal anxiety disorders and postpartum perceived and observed mother-infant relationship quality.

INTRODUCTION: Prenatal maternal anxiety disorders have been associated with adverse outcomes in offspring including emotional, behavioral and cognitive problems. There is limited understanding of the mechanisms underpinning these associations, although one possible candidate is an impaired mother-infant relationship. The authors investigated whether prenatal anxiety disorders were associated with poorer postpartum mother-infant relationship quality, measured by maternal self-reported bonding and observed mother-infant interactions. METHODS: A cohort of 454 pregnant women recruited from an inner-city maternity service in London (UK) were assessed for mental disorders using the Structured Clinical Interview for DSM-IV and followed up at mid-pregnancy and 3-months postpartum. Depressive symptoms were assessed at baseline and mid-pregnancy (using the Edinburgh Postnatal Depression Scale). At three months postpartum, women were assessed for self-reported bonding difficulties (using the Postpartum Bonding Questionnaire) and a subsample (n = 204) participated in video-recorded mother-infant interaction, coded using the Child-Adult Relationship Experimental Index by an independent rater. RESULTS: Prenatal anxiety disorders were associated with higher perceived bonding impairment, but not associated with observed poor mother-infant interaction quality. Higher levels of depressive symptoms were associated with lower maternal sensitivity. CONCLUSIONS: Interventions for anxiety disorders in the perinatal period could be tailored to address anxieties about mother-infant relationship and co-morbid depressive symptoms.

Crisis-planning interventions for people with psychotic illness or bipolar disorder: systematic review and meta-analyses.

BACKGROUND: Mental health services lack a strong evidence base on the most effective interventions to reduce compulsory admissions. However, some research suggests a positive impact of crisis-planning interventions in which patients are involved in planning for their future care during a mental health crisis. AIMS: This review aimed to synthesise randomised controlled trial (RCT) evidence on the effectiveness of crisis-planning interventions (for example advance statements and joint crisis plans) in reducing rates of compulsory hospital admissions for people with psychotic illness or bipolar disorder, compared with usual care (PROSPERO registration number: CRD42018084808). METHOD: Six online databases were searched in October 2018. The primary outcome was compulsory psychiatric admissions and secondary outcomes included other psychiatric admissions, therapeutic alliance, perceived coercion and cost-effectiveness. Bias was assessed using the Cochrane collaboration tool. RESULTS: The search identified 1428 studies and 5 RCTs were eligible. One study had high risk of bias because of incomplete primary outcome data. Random-effects meta-analysis showed a 25% reduction in compulsory admissions for those receiving crisis-planning interventions compared with usual care (risk ratio 0.75, 95% CI 0.61-0.93, P = 0.008; from five studies). There was no statistical evidence that the intervention reduced the risk of voluntary or combined voluntary and compulsory psychiatric admissions. Few studies assessed other secondary outcomes. CONCLUSIONS: Our meta-analysis suggests that crisis-planning interventions substantially reduce the risk of compulsory admissions among individuals with psychotic illness or bipolar disorder. Despite common components, interventions varied in their content and intensity across the trials. The optimal models and implementation of these interventions require further investigation. DECLARATION OF INTEREST: E.M., S.L., S.J. and B.L.-E. received funding from the National Institute for Health Research during the conduct of the study.

Patients' experiences of assessment and detention under mental health legislation: systematic review and qualitative meta-synthesis.

BACKGROUND: Understanding patient experiences of detention under mental health legislation is crucial to efforts to reform policy and practice. AIMS: To synthesise qualitative evidence on patients' experiences of assessment and detention under mental health legislation. METHOD: Five bibliographic databases were searched, supplemented by reference list screening and citation tracking. Studies were included if they reported on patient experiences of assessment or detention under mental health legislation; reported on patients aged 18 years or older; collected data using qualitative methods; and were reported in peer-reviewed journals. Findings were analysed and synthesised using thematic synthesis. RESULTS: The review included 56 papers. Themes were generally consistent across studies and related to information and involvement in care, the environment and relationships with staff, as well as the impact of detention on feelings of self-worth and emotional state. The emotional impact of detention and views of its appropriateness varied, but a frequent theme was fear and distress during detention, including in relation to the use of force and restraint. Where staff were perceived as striving to form caring and collaborative relationships with patients despite the coercive nature of treatment, and when clear information was delivered, the negative impact of involuntary care seemed to be reduced. CONCLUSIONS: Findings suggest that involuntary in-patient care is often frightening and distressing, but certain factors were identified that can help reduce negative experiences. Coproduction models may be fruitful in developing new ways of working on in-patient wards that provide more voice to patients and staff, and physical and social environments that are more conducive to recovery. DECLARATION OF INTEREST: None.

Self-Harm, Self-Harm Ideation, and Mother-Infant Interactions: A Prospective Cohort Study.

OBJECTIVE: To investigate the association between maternal self-harm (lifetime history of self-harm and self-harm ideation during pregnancy) and mother-infant interactions in a representative cohort from southeast London. METHODS: Data were drawn from a prospective cohort of 545 women attending antenatal appointments between 2014 and 2016. Women were asked about history of self-harm and current self-harm ideation during a research interview following first antenatal visit. Follow-up data on depressive symptoms using the Edinburgh Postnatal Depression Scale (EPDS) were collected at 28 weeks' gestation and 3 months postpartum, and data on mother-infant relationship using the CARE-Index and Postpartum Bonding Questionnaire were collected at 3 months postpartum. Linear regression analyses were conducted to investigate the associations between history of self-harm and (a) depressive symptoms and (b) the mother-infant relationship. Analyses were repeated with current self-harm ideation as the exposure. RESULTS: The population prevalence of history of self-harm was 7.9% (95% CI 5.5%-11.2%) and of current self-harm ideation was 2.3% (95% CI, 1.2%-4.2%). History of self-harm was associated with baseline depressive symptoms (adjusted regression coefficient = 2.23 [95% CI, 0.16-4.29], P = .035), and self-harm ideation was associated with depressive symptoms at all time points (adjusted regression coefficients = 11.53 [95% CI, 10.13-12.94], P < .001 at baseline; 8.16 [95% CI, 5.43-10.89], P < .001 at midpregnancy; and 6.73 [95% CI, 4.48-8.99], P < .001 postpartum). Self-harm ideation, but not history of self-harm, was associated with maternal controlling behaviors (adjusted regression coefficient = 2.34 [95% CI, 0.40-4.48], P = .019) and infant compulsive behaviors (adjusted regression coefficient = 2.37 [95% CI, 0.36-4.38], P = .021). CONCLUSIONS: Self-harm ideation during pregnancy is associated with elevated depressive symptoms in the perinatal period and with poorer quality mother-infant interactions. These women require effective psychological help that targets their distress, risk, and interactions with their infants.

The association between a history of self-harm and mental disorders in pregnancy.

BACKGROUND: Self-harm is prevalent, particularly among young women, and is associated with mental disorders. However, little is known about the mental health of pregnant women who have a history of self-harm. This study examined whether lifetime self-harm was associated with increased risk of antenatal mental disorders. METHODS: Cross-sectional study of 544 pregnant women recruited after their first antenatal appointment, oversampling those who responded positively to the depression-screening Whooley questions. The Structured Clinical Interview for DSM-IV-TR was delivered, including questions about the lifetime occurrence of self-harm. The associations between lifetime self-harm and the presence of mental disorders, and more specifically anxiety and depressive disorders, were examined using survey-weighted logistic regression. The association between lifetime self-harm and symptoms of personality disorder, was investigated using survey-weighted linear regression. RESULTS: After survey weighting, history of self-harm had a prevalence of 7.9% (95%CI 5.5-11.2%) and was associated with increased risk for mental disorders in early pregnancy (adjusted odds ratio [AOR] 5.03; 95%CI: 2.22-11.37; p < 0.0001; n = 517). Women with a history of self-harm were more likely to experience antenatal anxiety disorders (AOR 4.41; 95%CI: 1.85-10.51; p = 0.001; n = 517) and antenatal depression (AOR 2.71; 95%CI: 1.04-7.05; p = 0.042; n = 517) than women who did not report self-harm. History of self-harm was also associated with higher SAPAS scores (adjusted coefficient 0.69; 95%CI: 0.21-1.17; n = 517). LIMITATIONS: Information on the timing and persistence of self-harm was not available. CONCLUSIONS: Women with a history of self-harm are more vulnerable to mental disorders in pregnancy. Further research should include more comprehensive assessments of self-harm and the social context of pregnant women.

Pre-conception self-harm, maternal mental health and mother-infant bonding problems: a 20-year prospective cohort study.

BACKGROUND: Self-harm in young people is associated with later problems in social and emotional development. However, it is unknown whether self-harm in young women continues to be a marker of vulnerability on becoming a parent. This study prospectively describes the associations between pre-conception self-harm, maternal depressive symptoms and mother-infant bonding problems. METHODS: The Victorian Intergenerational Health Cohort Study (VIHCS) is a follow-up to the Victorian Adolescent Health Cohort Study (VAHCS) in Australia. Socio-demographic and health variables were assessed at 10 time-points (waves) from ages 14 to 35, including self-reported self-harm at waves 3-9. VIHCS enrolment began in 2006 (when participants were aged 28-29 years), by contacting VAHCS women every 6 months to identify pregnancies over a 7-year period. Perinatal depressive symptoms were assessed with the Edinburgh Postnatal Depression Scale during the third trimester, and 2 and 12 months postpartum. Mother-infant bonding problems were assessed with the Postpartum Bonding Questionnaire at 2 and 12 months postpartum. RESULTS: Five hundred sixty-four pregnancies from 384 women were included. One in 10 women (9.7%) reported pre-conception self-harm. Women who reported self-harming in young adulthood (ages 20-29) reported higher levels of perinatal depressive symptoms and mother-infant bonding problems at all perinatal time points [perinatal depressive symptoms adjusted ß = 5.40, 95% confidence interval (CI) 3.42-7.39; mother-infant bonding problems adjusted ß = 7.51, 95% CI 3.09-11.92]. There was no evidence that self-harm in adolescence (ages 15-17) was associated with either perinatal outcome. CONCLUSIONS: Self-harm during young adulthood may be an indicator of future vulnerability to perinatal mental health and mother-infant bonding problems.

Do elevated symptoms of depression predict adherence and outcomes in the UPBEAT randomised controlled trial of a lifestyle intervention for obese pregnant women?

BACKGROUND: Lifestyle interventions for obese pregnant women have been widely researched but little is known about predictors of low adherence or poor outcomes. This study evaluated the prospective associations between elevated symptoms of antenatal depression and gestational diabetes, adherence and gestational weight gain in a large RCT of a behavioural intervention for obese pregnant women. The effect of the intervention on symptoms of depression at follow-up was also examined. METHODS: The UPBEAT RCT randomised 1555 obese pregnant women to receive a dietary and physical activity lifestyle intervention or standard care. Symptoms of antenatal depression were assessed with the Edinburgh Postnatal Depression Scale at baseline (15+ 0-18+ 6 weeks' gestation) and follow-up (27+ 0-28+ 6 weeks' gestation). Gestational diabetes was assessed with an oral glucose tolerance test at 27+ 0-28+ 6 weeks' gestation. Adherence was pre-defined as receiving at least 5 of 8 intervention sessions. Gestational weight gain was calculated as the difference between pre-pregnancy weight (estimated as measured baseline weight minus 1.25 kg) and last measured weight at 34+ 0-36+ 0 weeks' gestation. Due to substantial missing data in certain variables, multiple imputation was used to impute missing data. Women who were no longer pregnant at 27+ 0-28+ 6 weeks' gestation were excluded from the sample for these analyses. RESULTS: One thousand five-hundered twenty-six women were included in these analyses following multiple imputation; 797 (52.2%) had complete data. 13.4% had elevated symptoms of antenatal depression at baseline. There was no evidence for associations between antenatal depression status and gestational diabetes (adjusted OR 0.80, 95%CI 0.52 to 1.22, p = 0.30), adherence (adjusted OR 1.16, 95%CI 0.63 to 2.15, p = 0.63) or gestational weight gain (adjusted regression coefficient 0.52, 95%CI -0.26 to 1.29, p = 0.19). The intervention was not associated with change in depressive symptoms at follow-up (regression coefficient 0.003, 95%CI -0.49 to 0.49, p = 0.99). Similar results were obtained in complete case analyses. CONCLUSIONS: Elevated symptoms of antenatal depression did not predict gestational diabetes, adherence or gestational weight gain in this large RCT of a lifestyle intervention for obese pregnant women. The intervention also did not influence symptoms of depression at follow-up. Obese pregnant women with elevated symptoms of depression should not be excluded from lifestyle interventions. TRIAL REGISTRATION: ISRCTN89971375 . Registered 28 November 2008.

Antidepressants for preventing postnatal depression.

BACKGROUND: Depression is common in the postnatal period and can lead to adverse effects on the infant and wider family, in addition to the morbidity for the mother. It is not clear whether antidepressants are effective for the prevention of postnatal depression and little is known about possible adverse effects for the mother and infant, particularly during breastfeeding. This is an update of a Cochrane Review last published in 2005. OBJECTIVES: To assess the effectiveness of antidepressant medication for the prevention of postnatal depression, in comparison with any other treatment, placebo or standard care. SEARCH METHODS: We searched the Cochrane Common Mental Disorders Controlled Trials Register (CCMDCTR ‒ both Studies and References), CENTRAL (Wiley), MEDLINE (OVID), Embase (OVID), PsycINFO (OVID), on 13 February 2018. We also searched the World Health Organization (WHO) trials portal (ICTRP) and ClinicalTrials.gov on 13 February 2018 to identify any additional unpublished or ongoing studies. SELECTION CRITERIA: Randomised controlled trials (RCTs) of initiation of antidepressants (alone or in combination with another treatment), compared with any other treatment, placebo or standard care for the prevention of postnatal depression among women who were either pregnant or had given birth in the previous six weeks and were not currently depressed at baseline. DATA COLLECTION AND ANALYSIS: We used standard methodological procedures expected by Cochrane. We requested missing information from investigators wherever possible and sought data to allow intention-to-treat analyses. MAIN RESULTS: Two trials including a total of 81 participants fulfilled the inclusion criteria for this review. All participants in both studies had a history of postnatal depression and were not taking antidepressant medication at baseline. Both trials were conducted by the same research group. Risk of bias was low or unclear in most domains for both studies. We were unable to perform a meta-analysis due to the small number of studies.One study compared nortriptyline with placebo and did not find any evidence that nortriptyline was effective in preventing postnatal depression. In this study, 23% (6/26) of women who took nortriptyline and 24% (6/25) of women who took placebo experienced postnatal depression (RR 0.96, 95% CI 0.36 to 2.59, very low quality evidence) in the first 17 weeks postpartum. One woman taking nortriptyline developed mania; and one side effect, constipation, was more common among women taking nortriptyline than those taking placebo.The second study compared sertraline with placebo. In this study, 7% (1/14) of women who took sertraline developed postnatal depression in the first 17 weeks postpartum compared with 50% (4/8) of women who took placebo. It is uncertain whether sertraline reduces the risk of postnatal depression (RR 0.14, 95% CI 0.02 to 1.07, very low quality evidence). One woman taking sertraline had a hypomanic episode. Two side effects (dizziness and drowsiness) were more common among women taking sertraline than women taking placebo.Conclusions are limited by the small number of studies, small sample sizes and incomplete outcome data due to study drop-out which may have led to bias in the results. We have assessed the certainty of the evidence as very low, based on the GRADE system. No data were available on secondary outcomes of interest including child development, the mother‒infant relationship, breastfeeding, maternal daily functioning, family relationships or maternal satisfaction. AUTHORS' CONCLUSIONS: Due to the limitations of the current evidence base, such as the low statistical power of the included studies, it is not possible to draw any clear conclusions about the effectiveness of antidepressants for the prevention of postnatal depression. It is striking that no new eligible trials have been completed in the period of over a decade since the last published version of this review. Larger trials are needed which include comparisons of antidepressant drugs with other prophylactic treatments (e.g. psychological interventions), and examine adverse effects for the fetus or infant. Future reviews in this area may benefit from broadening their focus to examine the effectiveness of antidepressants for the prevention of perinatal (i.e. antenatal or postnatal) depression, which could include studies comparing antidepressant discontinuation with continuation for the prevention of relapse of depression during pregnancy and the postnatal period.

Effects of antenatal diet and physical activity on maternal and fetal outcomes: individual patient data meta-analysis and health economic evaluation.

BACKGROUND: Diet- and physical activity-based interventions in pregnancy have the potential to alter maternal and child outcomes. OBJECTIVES: To assess whether or not the effects of diet and lifestyle interventions vary in subgroups of women, based on maternal body mass index (BMI), age, parity, Caucasian ethnicity and underlying medical condition(s), by undertaking an individual patient data (IPD) meta-analysis. We also evaluated the association of gestational weight gain (GWG) with adverse pregnancy outcomes and assessed the cost-effectiveness of the interventions. DATA SOURCES: MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, Database of Abstracts of Reviews of Effects and Health Technology Assessment database were searched from October 2013 to March 2015 (to update a previous search). REVIEW METHODS: Researchers from the International Weight Management in Pregnancy Collaborative Network shared the primary data. For each intervention type and outcome, we performed a two-step IPD random-effects meta-analysis, for all women (except underweight) combined and for each subgroup of interest, to obtain summary estimates of effects and 95% confidence intervals (CIs), and synthesised the differences in effects between subgroups. In the first stage, we fitted a linear regression adjusted for baseline (for continuous outcomes) or a logistic regression model (for binary outcomes) in each study separately; estimates were combined across studies using random-effects meta-analysis models. We quantified the relationship between weight gain and complications, and undertook a decision-analytic model-based economic evaluation to assess the cost-effectiveness of the interventions. RESULTS: Diet and lifestyle interventions reduced GWG by an average of 0.70 kg (95% CI -0.92 to -0.48 kg; 33 studies, 9320 women). The effects on composite maternal outcome [summary odds ratio (OR) 0.90, 95% CI 0.79 to 1.03; 24 studies, 8852 women] and composite fetal/neonatal outcome (summary OR 0.94, 95% CI 0.83 to 1.08; 18 studies, 7981 women) were not significant. The effect did not vary with baseline BMI, age, ethnicity, parity or underlying medical conditions for GWG, and composite maternal and fetal outcomes. Lifestyle interventions reduce Caesarean sections (OR 0.91, 95% CI 0.83 to 0.99), but not other individual maternal outcomes such as gestational diabetes mellitus (OR 0.89, 95% CI 0.72 to 1.10), pre-eclampsia or pregnancy-induced hypertension (OR 0.95, 95% CI 0.78 to 1.16) and preterm birth (OR 0.94, 95% CI 0.78 to 1.13). There was no significant effect on fetal outcomes. The interventions were not cost-effective. GWG, including adherence to the Institute of Medicine-recommended targets, was not associated with a reduction in complications. Predictors of GWG were maternal age (summary estimate -0.10 kg, 95% CI -0.14 to -0.06 kg) and multiparity (summary estimate -0.73 kg, 95% CI -1.24 to -0.23 kg). LIMITATIONS: The findings were limited by the lack of standardisation in the components of intervention, residual heterogeneity in effects across studies for most analyses and the unavailability of IPD in some studies. CONCLUSION: Diet and lifestyle interventions in pregnancy are clinically effective in reducing GWG irrespective of risk factors, with no effects on composite maternal and fetal outcomes. FUTURE WORK: The differential effects of lifestyle interventions on individual pregnancy outcomes need evaluation. STUDY REGISTRATION: This study is registered as PROSPERO CRD42013003804. FUNDING: The National Institute for Health Research Health Technology Assessment programme.

Obesity, antenatal depression, diet and gestational weight gain in a population cohort study.

PURPOSE: The aims of this paper are to examine: (1) the relationship between high pre-pregnancy BMI and antenatal depression; (2) whether BMI and antenatal depression interact to predict diet and gestational weight gain (GWG). METHODS: Data came from the Avon Longitudinal Study of Parents and Children (ALSPAC). Underweight women were excluded. Pre-pregnancy BMI was self-reported and antenatal depression was assessed using the Edinburgh Postnatal Depression Scale at 18 and 32 weeks' gestation to identify persistently elevated depressive symptoms (EPDS>12). Dietary patterns were calculated from food frequency questionnaires at 32 weeks' gestation. GWG was categorised using the USA Institute of Medicine guidelines. RESULTS: This study included 13,314 pregnant women. Obese women had significantly higher odds of antenatal depression than normal weight controls after adjusting for socio-demographics and health behaviours (aOR 1.39, 95%CI 1.05-1.84). Every unit increase in pre-pregnancy BMI was associated with approximately 3% higher odds of antenatal depression (aOR 1.03, 95%CI 1.01-1.05). Antenatal depression was not meaningfully associated with dietary patterns after adjusting for confounders and was not associated with inadequate or excessive GWG. There was no evidence for an interaction of depression and BMI on either diet or GWG. CONCLUSIONS: Healthcare professionals should be aware of the dose-response relationship between high pre-pregnancy BMI and antenatal depression.