Youngstrom, Mallory Perinatal Outcomes in Women With a History of Chronic Hypertension but Normal Blood Pressures Before 20 Weeks of Gestation. [electronic resource] - Obstetrics and gynecology 05 2018 - 827-834 p. digital Publication Type: Journal Article ISSN: 1873-233X Standard No.: 10.1097/AOG.0000000000002574 doi Subjects--Topical Terms: AdultBlood Pressure Determination--methodsFemaleHumansHypertension--complicationsInfant, Low Birth WeightInfant, NewbornPre-Eclampsia--diagnosisPregnancyPregnancy Complications, Cardiovascular--diagnosisPregnancy Outcome--epidemiologyPregnancy Trimesters--physiologyPremature Birth--epidemiologyRetrospective StudiesRisk AssessmentStillbirth--epidemiologyUnited States--epidemiology