Mediterranean Diet Adherence, Fatty Acid Profiles, and Early Assisted Reproduction Outcomes: Findings from a 12-Week
Özge Cemali1, Yasemin Akdevelioğlu2, Aysel Berkkan3
1Department of Nutrition and Dietetics, Faculty of Health Science, Trakya University, 22020 Edirne, Türkiye.
Medicina (Kaunas, Lithuania)
|March 28, 2026
Summary
Adhering to a Mediterranean diet may improve fatty acid profiles in blood and follicular fluid for women undergoing infertility treatment. Further research is needed to confirm its impact on assisted reproduction technology outcomes.
Area of Science:
- Reproductive Endocrinology
- Nutritional Science
- Infertility Research
Background:
- Limited evidence exists on the standalone impact of the Mediterranean diet on reproductive parameters and assisted reproduction outcomes.
- Understanding dietary influences on fatty acid profiles in serum and follicular fluid is crucial for optimizing fertility treatments.
Purpose of the Study:
- To evaluate the effects of a 12-week pre-treatment Mediterranean diet intervention on serum and follicular fluid fatty acid profiles.
- To assess the impact of the Mediterranean diet on implantation and pregnancy outcomes in women undergoing infertility treatment.
Main Methods:
- Prospective, non-randomized controlled trial with 32 women undergoing infertility treatment.
- Intervention group (n=16) followed a Mediterranean diet for 12 weeks; control group (n=16) did not.
- Analysis of serum and follicular fluid fatty acid profiles, dietary adherence, and assisted reproduction outcomes (implantation, pregnancy).
Main Results:
- The Mediterranean diet intervention increased omega-6 and omega-3 intake, decreasing LA/ALA and omega-6/omega-3 ratios.
- Serum EPA + DHA levels declined in the control group but decreased LA/ALA in the diet group.
- Diet adherence positively correlated with MII oocytes and pronuclei; implantation rates were 3 in the intervention group and 1 in the control group.
Conclusions:
- A Mediterranean diet intervention may favorably alter blood and follicular fluid parameters, but underlying mechanisms require further study.
- Exploratory findings on assisted reproduction technology (ART) outcomes suggest potential benefits, but require cautious interpretation due to small sample size.
- Well-designed randomized controlled trials focusing on ART and clinical endpoints are necessary to confirm the clinical translation of these findings.
Keywords:
fatty acidsfollicular fluidimplantationinfertilitymediterranean dietratio of ω6/ω3 fatty acid

