Cerebral Sinus Vein Thrombosis Following Ovarian Hyperstimulation: A Case Report

Thromboembolic phenomena are the serious consequences of assisted reproductive technology. we present a case of cerebral sinus vein thrombosis (cvst) following ovarian hyper stimulation syndrome (ohss). ten days after recovering from ohss, the patient presented in the emergency department with thunderclap headache. her magnetic resonance venography (mrv) showed occluded left transverse sinus and left sigmoid sinus. the patient was treated with low molecular weight heparin. she made a good recovery and was independent in activities of daily living in follow up after six months. disturbances of the coagulation system may occur in moderate ohss and also persist even after the clinical symptoms of ohss have resolved.