Can chemicals in household products raise your risk of polycystic ovary syndrome?

What's actually in it

Your home is full of products that contain endocrine-disrupting chemicals (EDCs). Plastic food containers release bisphenols. Vinyl shower curtains and flooring off-gas phthalates. Cleaning sprays, scented candles, and lotions can contain chemicals that mimic or block hormones in your body.

Most of these chemicals show up in tiny amounts in any single product. But you're exposed to dozens of them every day, and they can add up.

What the research says

A 2026 study in Environ Health Perspect looked at how mixtures of endocrine-disrupting chemicals affect female hormones. Instead of testing one chemical at a time, the researchers studied what happens when multiple EDCs hit the body together, which is closer to real life.

They found that these chemical mixtures caused hormonal shifts that look like PCOS. Levels of androgens (male-type hormones) went up, while other reproductive hormones fell out of balance. PCOS affects roughly 1 in 10 women and can cause irregular periods, acne, weight gain, and trouble getting pregnant.

The study pointed to several common sources: plasticizers, pesticide residues, and synthetic fragrances. These are found in food packaging, household cleaners, air fresheners, and personal care products.

You can't avoid every chemical. But small steps help: choosing fragrance-free products, storing food in glass instead of plastic, and airing out new furniture or rugs before using them in closed rooms.