Association of prenatal exposure to perfluoroalkyl and polyfluoroalkyl substances with fetal growth trajectories.

Background: Maternal perfluoroalkyl and polyfluoroalkyl substances (PFAS) exposure during pregnancy is linked to adverse birth outcomes; however, its impact on fetal growth trajectories remains unclear.

Objective: To examine the relationship between prenatal PFAS exposure and fetal growth trajectories.

Methods: We included 352 mother-infant pairs from a prospective study conducted at Changsha Hospital for Maternal and Child Health Care, Hunan Province, China.