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Persistent depressive trajectory affects 9% of adult perinatal women with increased risk factors

Persistent depressive trajectory affects 9% of adult perinatal women with increased risk factors
Photo by engin akyurt / Unsplash
Key Takeaway
Consider risk factors like single status and low education for persistent perinatal depression.

This systematic review and meta-analysis evaluated perinatal depressive symptom trajectories within a population of 47650 adult perinatal women. The study setting was not reported in the provided data. The primary exposure analyzed was perinatal depressive symptom trajectories, which were categorized into distinct patterns over a follow-up period of 12.0 months. No specific medications or pharmacological interventions were reported as part of the analysis. The comparator group was not reported for the primary outcome analysis. This review synthesizes evidence regarding the prevalence and associated risk factors of different depressive symptom patterns during the perinatal period.

The primary outcome measured was the pooled prevalence of perinatal depressive symptom trajectories. The analysis identified three distinct trajectories: persistent, increasing, and decreasing. The persistent depressive trajectory was observed in 9% of the population. The 95% confidence interval for this prevalence was 7%-12%. The increasing trajectory ranged from 1.1% to 9.8% across the included studies. The decreasing trajectory ranged from 2.2% to 21.07% across the included studies. Absolute numbers for these outcomes were not reported in the source data.

Specific effect sizes were calculated for various risk factors associated with these trajectories. For the persistent depressive trajectory, the odds ratio for single status was 1.68. The odds ratio for low educational level was 1.39. For the increasing trajectory, the odds ratio for low income level was 1.11. The odds ratio for nulliparity was 1.28. For the decreasing trajectory, the odds ratio for stressful life events was 1.40. P-values and confidence intervals were not reported for the increasing and decreasing trajectory effect sizes.

Secondary outcomes focused on associated risk factors linked to the identified trajectories. The review did not report specific adverse events, serious adverse events, discontinuations, or tolerability data. Safety and tolerability findings were not reported for the interventions or exposures analyzed. The study design was a meta-analysis, and the study phase was not reported. Funding or conflicts of interest were not reported.

Methodological limitations and potential biases were not explicitly detailed in the provided text. The certainty of the evidence was not reported. Causality was not reported. The practice relevance of these findings is that identifying specific risk factors across depressive trajectories can provide healthcare professionals with a theoretical basis for individualized treatment of perinatal depression. This approach may help clinicians tailor interventions to women at higher risk for persistent or increasing depressive symptoms.

Several questions remain unanswered regarding the long-term outcomes of these trajectories and the efficacy of specific interventions. The lack of reported safety data limits the ability to assess the full clinical picture. The absence of reported study settings and specific comparators restricts the generalizability of the findings to specific clinical contexts. Further research is needed to clarify the causal relationships between the identified risk factors and depressive trajectories.

Study Details

Study typeMeta analysis
Sample sizen = 47,650
EvidenceLevel 1
Follow-up12.0 mo
PublishedJun 2026
View Original Abstract ↓
OBJECTIVES: This study aimed to conduct a meta-analysis to estimate the overall pooled prevalence of perinatal depressive symptom trajectories and their associated risk factors. METHODS: A comprehensive literature search was conducted across PubMed, Web of Science, Embase, the Cochrane Library, CINAHL and PsycINFO on 19 October 2024. The search strategy used combinations of keywords related to perinatal depressive symptoms, trajectories, risk factors and analytic methods. Eligibility criteria were defined by population (adult perinatal women), exposure (at least one assessment during pregnancy and one within 12 months postpartum), outcomes (trajectory patterns, prevalence and associated risk factors), and study design (longitudinal trajectory-based studies). Meta-analyses were performed using Stata 17. RESULTS: A total of 13,796 studies were identified, of which 22 (N = 47,650 participants) were included. All studies reported a persistent non-depressive trajectory, 15 reported a persistent depressive trajectory, 14 reported an increasing trajectory and 12 reported a decreasing trajectory. The pooled prevalence of persistent depressive trajectory was 9% (95% CI: 7%-12%), while the overall prevalence of increasing and decreasing trajectories ranges from 1.1% to 9.8% and 2.2% to 21.07%, respectively. Specific risk factors for persistent depressive trajectory included single status (OR = 1.68, 95% CI: 1.08-2.61) and low educational level (OR = 1.39, 95% CI: 1.02-1.89). Low income level (OR = 1.11, 95% CI: 1.07-1.16) and nulliparity (OR = 1.28, 95% CI: 1.12-1.47) were specific to the increasing trajectory, and stressful life events (OR = 1.40, 95% CI = 1.17-1.67) were associated only with the decreasing trajectory. CONCLUSION: The burden of perinatal depressive symptoms on women is more variable. Identifying specific risk factors across depressive trajectories can provide healthcare professionals with a theoretical basis for individualized treatment of perinatal depression.
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