A baby girl starts developing her reproductive system before she’s even born. By birth, she already has most of the immature egg cells she’ll ever have.
This guide walks through what the research is finding on microplastics, bisphenols, phthalates, PFAS, skincare ingredients, menstrual products, synthetic clothing and pesticides: where each one hides, what the studies did and didn’t show, and the swaps I’d make first. No panic, no perfection. Just informed choices, with every study referenced.