<?xml version="1.0" encoding="UTF-8"?><post link="https://sph.umich.edu/news/2026posts/glyphosate-pregnancy-hormones-study.html" display="true" featured="true"><title>Common weed killer may affect hormones tied to pregnancy and fetal development, new research finds</title><subject>Higher glyphosate levels were linked to hormonal shifts in a study of pregnant women in Puerto Rico.</subject><subtitle/><description>Researchers measured glyphosate and its breakdown product AMPA in urine samples from pregnant women, then tracked how levels corresponded to shifts in estrogen, thyroid hormones, and CRH—a hormone tied to labor and stress response.</description><pubDate>Mon, 15 Jun 2026 13:34:05 -0800</pubDate><tags><talking-about>Occupational and Environmental Epidemiology</talking-about><talking-about>Epidemiology</talking-about><talking-about>Epidemiologic Science</talking-about><other>postdoc</other><talking-about>Environmental Health</talking-about><talking-about>Child Health</talking-about><talking-about>Research impact</talking-about><talking-about>Research</talking-about><category>Epidemiology</category><category>Environmental Health Sciences</category><talking-about>Health for Women</talking-about><faculty>John Meeker</faculty><category>News</category></tags><image><img src="/news/2026posts/images/06152026-glyphosate-study-meeker-web.webp" alt="Stylized image of a pregnant woman."/></image><imagelarge><img/></imagelarge></post>