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 6/8/2020
Updated by: LaQuita Martinez, MD, Department of Obstetrics and Gynecology, Emory Johns Creek Hospital, Alpharetta, GA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.