“…Studies on risk factors have identified a broad range of predictors for microcephaly, including inborn errors of metabolism; fetal infection with CMV, rubella, toxoplasmosis or other microorganisms; perinatal brain injuries; maternal alcohol abuse; exposure to some chemicals; uncontrolled diabetes, and other factors such as ischemic or hemorrhagic stroke or ‘twin embolization syndrome’ following the in utero demise of one monozygotic twin (Gerardin, Samperiz, & Ramful, ; Gray, Rouse, & de Lange, ; von der Hagen et al, ; Hansen et al, ; Hughes & Miskin, ; McInerny et al, ; Opitz & Holt, ; O'Leary, Kuhm, & Kniss, ).…”