Does BPA exposure from plastic food containers increase ovarian cancer risk?

What's actually in it

BPA, BPS, and BPF are bisphenol chemicals found in hard plastic containers, the lining of canned food, thermal paper receipts, and food packaging. They mimic estrogen, a hormone that regulates cell growth in reproductive organs including the ovaries.

The ovaries are estrogen-sensitive tissue. Chemicals that act like estrogen can potentially disrupt normal cell growth patterns, which is how hormone-driven cancers start.

What the research says

A 2026 study in Environmental Research compared bisphenol levels in women with advanced high-grade serous ovarian cancer to those without cancer. Women with ovarian cancer had significantly higher blood levels of bisphenol compounds, including BPA and its replacements.

This type of study (case-control) can't definitively prove that bisphenols caused the cancer, but the association is consistent with the known biology: bisphenols promote the growth of estrogen-sensitive cancer cells in laboratory studies and disrupt the apoptosis (programmed cell death) pathways that normally prevent tumors from forming.

Women already at higher genetic risk for ovarian cancer (BRCA mutations) may have additional reason to minimize bisphenol exposure. Switching from canned foods to fresh or frozen, avoiding plastic food containers, and choosing glass or stainless steel for food storage all reduce bisphenol exposure meaningfully.