Reversible cerebral vasoconstriction syndrome in puerperium: A prospective study

In normally coursing pregnancies and after uncomplicated delivery the risk of puerperal RCVS is negligible (0.1%). On the other way thunderclap headache may occur in a measurable proportion of (3.4%), although in the vast majority of cases (33/34 = 97%) it is of benign course. Transcranial Doppler sonography may be helpful to pick up those cases in whom further neuroradiological investigation is warranted.