Chronic oral inflammation can impair female fertility by triggering a systemic immune response that damages ovaries and reduces egg quality [1].

This discovery suggests that dental health is not merely a localized concern but a systemic issue that may contribute to global infertility rates. Because infertility affects up to one in five couples — approximately 186 million people worldwide [2] — identifying preventable triggers is critical for reproductive medicine.

Researchers from the Hebrew University of Jerusalem and the Hebrew University‑Hadassah Medical Center conducted the study [1]. The team included Prof. Michael Klutstein, Prof. Asaf Wilensky, Dr. Paz Kles, and Stephen Ameho [1]. They said that chronic inflammation in the mouth does not remain isolated to the oral cavity.

Instead, the inflammation provokes a systemic immune response [1]. This response leads to oxidative damage within ovarian tissue, which impairs the development of eggs, and accelerates the overall decline of fertility [1, 5]. The study indicates that the body's attempt to fight oral infection can inadvertently harm reproductive organs through this widespread inflammatory process [5].

While the research highlights a significant risk factor, it emphasizes the biological pathway between gum health and the reproductive system. The systemic nature of the inflammation means that the damage occurs as a secondary effect of the immune system's activity [1, 5].

This finding aligns with broader medical observations regarding the link between chronic inflammation and various organ dysfunctions. By addressing oral health, clinicians said they may be able to mitigate some of the systemic stressors that contribute to reduced egg quality [1].

Chronic oral inflammation can impair female fertility by triggering a systemic immune response.

This research establishes a potential biological link between periodontal health and reproductive success, suggesting that the mouth acts as a gateway for systemic inflammation. If oral hygiene is directly tied to ovarian health, dental care could become a standard part of fertility screenings and prenatal care to preserve egg quality and improve conception rates.