Prenatal exposure to nitrate from household drinking water and the risk of preterm birth: A nationwide study from Denmark, 2011-2015

BACKGROUND AND AIM: Only two studies of prenatal exposure to nitrate from drinking water and the risk of preterm birth have been conducted, both with ecologic exposures and from the US. We aimed to examine this relationship utilizing individual-level exposure estimates in Denmark. METHODS: Nationwide register-based health data from singleton live births during 1991–2015 born to Danish-born parents were linked to national water monitoring and...