“…In the general population, SAH is associated with different predisposing factors than ICH, and is most often associated with an intracerebral aneurysm. The etiologies of SAH in pregnancy are diverse and include ruptured saccular [1][2][3][4] and mycotic 5 aneurysms, ruptured arteriovenous malformations, 3,4 intracranial venous thrombosis, 6 pregnancy-induced hypertension leading to pial vessel rupture, 7 in-tracranial vertebral artery dissection, 8 Moyamoya disease, 9 posterior reversible encephalopathy syndrome, 10 and postpartum angiopathy, which is a form of the reversible cerebral vasoconstriction syndrome. [11][12][13] Population-based data from Sweden suggest that the incidence of SAH is increased in the period around delivery.…”