Increased preconception omega-3 polyunsaturated fatty acid intake improves embryo morphology
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The association between preconception dietary intake of the polyunsaturated fatty acids (LC-PUFAs) omega-6 and omega-3 and the E2 levels and IVF/intracytoplasmic sperm injection (ICSI) outcome were investigated in women in a prospective study. It revealed that high intakes of omega-3 LC-PUFA alpha-linolenic acid increase baseline E2, high intakes of eicosapentaenoic acid and docosahexaenoic acid reduce E2 response and the number of follicles after ovarian stimulation, and total omega-3 intake, in particular alpha-linolenic acid and docosahexaenoic acid, improve embryo morphology.