EclampsiaMagnesium SulfatePre-EclampsiaMaternal MortalityHELLP SyndromePregnancyPuerperal DisordersHypertension, Pregnancy-InducedPregnancy Complications, CardiovascularPosterior Leukoencephalopathy SyndromeAbruptio PlacentaePregnancy OutcomeEncyclopedias as TopicPlacentaTrophoblastsEndothelium, VascularPlacental Circulation