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. 2021 Jun 15;21(1):120.
doi: 10.1186/s12902-021-00783-w.

Association of circulating omega 3, 6 and 9 fatty acids with gestational diabetes mellitus: a systematic review

Shaghayegh Hosseinkhani  1 , Hojat Dehghanbanadaki  2 , Hossein Aazami  3 , Parvin Pasalar  1 , Mojgan Asadi  3 , Farideh Razi  4   5
Affiliations

Association of circulating omega 3, 6 and 9 fatty acids with gestational diabetes mellitus: a systematic review

Shaghayegh Hosseinkhani et al. BMC Endocr Disord. .

Abstract

Background: Gestational diabetes mellitus (GDM) is associated with increased risks of disease for mother and child during pregnancy and after that. Early diagnosis of GDM would promote both maternal and fetal health. Metabolomics can simplify and develop our understanding of the etiology, manifestation, or pathophysiology of the disease. This systematic review investigates the association of circulating omega 3, 6, and 9 fatty acids with GDM.

Methods: We conducted a systematic search of PubMed, Scopus, Web of Science, and EMBASE databases up to May 8, 2020, using the key term combinations of all types of omega fatty acids with gestational diabetes mellitus. Additional articles were identified through searching the reference lists of included studies.

Results: This systematic review included 15 articles. Five were cohort studies, four included nested case-control studies and four were case-control studies. The results of this study demonstrate an increasing trend in the amount of oleic acid and palmitoleic acid in the second trimester and an increase in decosahexanoic acid in the third trimester of GDM mothers. The changes in other fatty acids of interest are either not significant or if significant, their results are inconsistent with the other existing articles.

Conclusions: Omega fatty acids, as potential biomarkers, are considered to be associated with GDM risk and thus provide useful information regarding the prevention and early diagnosis of GDM. Moreover, existing metabolomic studies on GDM are shown to provide conflicting results about metabolite profile characteristics. This systematic review was registered at PROSPERO ( www.crd.york.ac.uk/PROSPERO ) as CRD42020196122.

Keywords: GDM; Gestational diabetes mellitus; Maternal lipids; Omega fatty acids; Systematic review.

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Conflict of interest statement

The authors declare that they have no financial and non-financial competing interests.

Figures

Fig. 1
Fig. 1
The algorithm of systematic review study selection
See this image and copyright information in PMC

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