Effect of omega-3 fatty acids on premenstrual syndrome: A systematic review and meta-analysis

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#fatty-acids-omega-3 #female #humans #premenstrual-syndrome

Effect of omega-3 fatty acids on premenstrual syndrome: A systematic review and meta-analysis

Mohammadi et al., 2022 | J Obstet Gynaecol Res | Meta Analysis

Citation

Mohammadi Mohammad Mehdi, Dehghan Nayeri Nahid, ... Varaei Shokoh. Effect of omega-3 fatty acids on premenstrual syndrome: A systematic review and meta-analysis. J Obstet Gynaecol Res. 2022-Jun;48(6):1293-1305. doi:10.1111/jog.15217

Abstract

INTRODUCTION: To date, no definitive results have been reported on the effect of omega-3 fatty acids on premenstrual syndrome (PMS). Therefore, this systematic review and meta-analysis aimed to determine the effect of omega-3 fatty acids on PMS. METHODS: In this systematic review and meta-analysis, the databases were searched. In this regard, randomized clinical trials investigating the effect of omega-3 fatty acids on PMS were included. The quality of the studies was assessed using the Cochrane Collaboration's Risk of Bias tool. Meta-analysis was done based on random effects model and calculation of standardized mean difference (SMDs). RESULTS: The results of meta-analysis showed that omega-3 fatty acids were efficient in reducing the severity of PMS in women (SMD = -0.968, 95% confidence interval [CI]: -1.471 to -0.464). In addition, the results showed that the studies were heterogeneous (I2  = 89.11%, p <0.001). Based on meta-regression analysis, aging (β = -0.150, 95% CI -0.202 to -0.098, p <0.001) and increasing the duration of intervention (β = -0.579, 95% CI -0.781 to -0.378, p <0.001) had a significant effect on the severity of PMS. We also found that omega-3 fatty acids could significantly reduce the somatic (SMD = -0.800, 95% CI: -1.126 to -0.474) and psychological (SMD = -0.373, 95% CI: -0.686 to -0.061) symptoms of PMS. CONCLUSION: Omega-3 fatty acids could reduce the severity of PMS. However, we should caution in the conclusion in affirming the beneficial effects of n-3 PUFAs on PMS, since the heterogeneity is evident in the analysis. The efficacy of the treatment was enhanced by increase of the treatment duration.

Key Findings

The results of meta-analysis showed that omega-3 fatty acids were efficient in reducing the severity of PMS in women (SMD = -0.968, 95% confidence interval [CI]: -1.471 to -0.464). In addition, the results showed that the studies were heterogeneous (I2  = 89.11%, p <0.001). Based on meta-regression analysis, aging (β = -0.150, 95% CI -0.202 to -0.098, p <0.001) and increasing the duration of intervention (β = -0.579, 95% CI -0.781 to -0.378, p <0.001) had a significant effect on the severity of

Outcomes Measured

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Population

Field Value
Population See abstract
Sample Size See abstract
Age Range See abstract
Condition See abstract

MeSH Terms

  • Fatty Acids, Omega-3
  • Female
  • Humans
  • Premenstrual Syndrome

Evidence Classification

  • Level: Meta Analysis
  • Publication Types: Journal Article, Meta-Analysis, Systematic Review
  • Vertical: omega-3

Provenance

Source extracted via PubMed E-utilities API on 2026-04-09