VEGFA and Neurodevelopmental delay: Four studies (Brigandi et al., 2016; Holdstock et al., 2016; Akizawa et al., 2017; Meadowcroft et al., 2019) reported changes in VEGF levels for NDD patients, and three studies (Brigandi et al., 2016; Holdstock et al., 2016; Holdstock et al., 2019) similarly reported for DD patients.