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DHA and Omega-3s Reduce Weight Gain After Pregnancy

dha and weight loss after pregnancy
Study Title: "Plasma ω-3 fatty acids in pregnancy are inversely associated with postpartum weight retention in a multiethnic Asian cohort."
Number of Participants: 653 Pregnant Women
Length of Study: 20 Months
Type of Study: Prospective Cohort
Publication: American Journal of Clinical Nutrition
Study Result: Higher plasma percentages of Omega-3s and a lower ratio of Omega-6 to Omega-3 in the late-second trimester of pregnancy are associated with less weight retention at 18 months after the end of pregnancy.

Studies have demonstrated associations between omega-3s, omega-6s, and body mass index. In this study, the levels of omega-3 in pregnancy were studied for their effect on weight retention after childbirth, which can contribute to long-term obesity.

653 pregnant women were tested at 26-28 wk of gestation for levels of omega-3 and omega-6.  The median retained weight of women was 0.90 kilograms at 18 mo after pregnancy. Of 653 women, 544 women had gained <5 kilograms and 109 had gained ≥5 kilograms. A statistical analysis showed that higher blood levels of EPA, DHA, and Omega-3s  were associated with lower weight gain after pregnancy, whereas a higher ratio of Omega-6 to Omega-3 was associated with a more weight gain after pregnancy.

The researchers concluded:

Higher levels of Omega-3s and a lower ratio of Omega-6 to Omega-3 in the late-second trimester of pregnancy are associated with less weight retention at 18 months. This may offer an alternative strategy to assist post-pregnancy weight reduction by increasing EPA and DHA status together with a decreased ratio of Omega-6 to Omega-3 through diet or fish-oil supplementation during pregnancy.

Prenatal & PregnancyWeight Loss
DHAOmega-3s

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