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The study aimed to determine if the non-dipping pattern of blood pressure (BP) influences preterm delivery in gestational hypertension (GH), but also maternal clinical findings and birth weight. Sixty women with GH, i.e. 30 women with a dipping BP profile (control group) and 30 non-dippers (study group), were included in the study. Echocardiography was performed in all subjects, as well as ambulatory blood pressure monitoring (ABPM) during third trimester. ABPM was repeated 6-8 weeks after delivery. Thirteen women with preterm delivery were classified as non-dippers and only four as dippers (p=0.01). The average and peak systolic and diastolic night-time BP had negative linear correlation with birth weight (p, Cilj ovoga istraživanja bio je utvrditi povezanost non-dipping profila krvnog tlaka (KT) s prijevremenim porođajem, porođajnom težinom novorođenčeta te kliničkim i ehokardiografskim parametrima kod žena s gestacijskom hipertenzijom (GH). Istraživanje je obuhvatilo 60 žena s GH, 30 s dipping profilom KT (kontrolna skupina) i 30 non-dippera (ispitna skupina). Sve žene podvrgnute su kompletnoj ehokardiografiji i 24-satnom ambulantnom praćenju krvnog tlaka (ambulatory blood pressure monitoring, ABPM) tijekom trećeg trimestra, a ABPM je ponovljen 6-8 tjedana nakon porođaja. Ukupno 17 žena imalo je prijevremeni porođaj. Trinaest žena s prijevremenim porođajem imalo je non-dipping profil KT, dok su samo četiri žene imale dipping profil KT (0,01). Prosječni i maksimalni sistolički i dijastolički noćni KT imali su negativnu linearnu korelaciju s porođajnom težinom (p