A new study reports an association between prenatal exposure to PFAS (“forever chemicals”) and the later development of polyendocrine metabolic ovarian syndrome (PMOS), a condition previously known as polycystic ovarian syndrome (PCOS). The researchers say this is the first time prenatal PFAS exposure has been specifically linked to PMOS/PCOS outcomes later in life. PMOS affects an estimated 13% of women, though many cases may be undiagnosed, and the underlying causes of the condition are not fully understood. The study’s authors describe PFAS exposure during pregnancy as a potential driver of disease risk, suggesting that environmental exposures may play a role in who develops PMOS. The reporting also notes that evidence around the disorder’s causes remains incomplete, and that more work would be needed to clarify mechanisms and confirm risk in broader populations. Overall, the findings add to ongoing research into whether PFAS exposure can influence long-term reproductive and metabolic health.