[HELLP syndrome and trisomy 18 in a multi-parity patient].

Despite much interest in HELLP syndrome in the last years, the aetiology of this unique form of severe preeclampsia is still unknown. We report the case of a young multipara with HELLP syndrome and Trisomy 18, who had two uneventful pregnancies before and after the case reported here. This case let us presume, that Trisomy 18, as described for Trisomy 13, may be a risk factor for the development of a preeclampsia.