BPA Is Killing Ovarian Cells and Linked to PCOS
NonToxCo Research
Science & Safety Team · 4/8/2026
BPA triggers cell death in the ovarian cells that support egg development. And it's connected to polycystic ovary syndrome (PCOS).
How BPA Damages Ovarian Cells
A 2026 study in J Ovarian Res used bioinformatics, single-cell analysis, and lab experiments to map out a BPA-m6A-apoptosis axis in granulosa cells. In plain English: BPA alters how genes are chemically tagged (m6A modification), which triggers apoptosis (programmed cell death) in granulosa cells. These are the cells that nourish your developing eggs.
The study connects this mechanism directly to PCOS, one of the most common causes of infertility in women. PCOS affects up to 1 in 10 women of reproductive age. If BPA is contributing to granulosa cell dysfunction, it could be contributing to PCOS too.
Where BPA Exposure Comes From
BPA is in canned food linings, hard plastic bottles, receipt paper, dental sealants, and many consumer products. Despite years of bad press, it's still widely used. And the "BPA-free" replacements aren't necessarily better.
What You Can Do
Avoid canned foods with BPA linings. Ditch plastic food containers. Decline paper receipts. If you have PCOS or are trying to conceive, reducing BPA exposure is worth prioritizing. Browse non-toxic home essentials for BPA-free alternatives.