FLT1 and Stillbirth: Angiogenic imbalance, characterized by elevated soluble fms-like tyrosine kinase-1 (sFlt-1) and reduced placental growth factor (PlGF), is implicated in placental dysfunction, yet few studies have examined the association between the sFlt-1:PlGF ratio and stillbirth.<h4>Objective</h4>To investigate the association between maternal circulating sFlt-1:PlGF ratio, using clinically relevant cutoffs, and risk of stillbirth.<h4>Design, setting, and participants</h4>This case-control study included participants from 2 health clinics operated by the Dhaka Community Hospital Trust in rural Bangladesh.