UPFs Linked to Reduced Fertility
Analysis based on 6 articles · First reported Mar 24, 2026 · Last updated Mar 29, 2026
The study's findings could lead to increased consumer awareness and demand for less processed foods, potentially impacting the food and beverage industry. Companies producing ultra-processed foods might face pressure to reformulate products or see a decline in sales, while those offering healthier alternatives could benefit.
A new study led by Romy Gaillard and first-authored by Celine Lin at Erasmus MC, and published in Human Reproduction (journal), has found a link between high consumption of ultra-processed foods (UPFs) and reduced fertility in men, as well as slower growth in early embryos and smaller yolk sacs in women. The research, which analyzed data from 831 women and 651 male partners in the Generation R Study Next Programme, suggests that reducing UPF intake around conception and pregnancy is beneficial for both parents and offspring. While maternal UPF consumption was associated with subtle embryonic development differences, paternal UPF consumption was linked to a higher risk of subfertility and longer time to achieve pregnancy. The study highlights the importance of both partners' diets for reproductive success and early human development.
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