Hypertension caused by preeclampsia can adversely affect the fetus by causing constriction of the placental arteries. Arterial constriction may result in severe reduction in the blood flow to areas of the placenta. If the blood flow remains constricted, areas of the placenta may "die", putting the baby in distress.
Review Date 5/16/2016
Updated by: Irina Burd, MD, PhD, Associate Professor of Gynecology and Obstetrics at Johns Hopkins University School of Medicine, Baltimore, MD. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.